10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2017

OR

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _________________ to _______________________

Commission file number: 0-22427

HESKA CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	77-0192527
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)
3760 Rocky Mountain Avenue Loveland, Colorado	80538
(Address of principal executive offices)	(Zip Code)
Registrant's telephone number, including area code: (970) 493-7272

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes x   No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes x  No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.  See the definitions of "large accelerated filer," "accelerated filer", "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer o	Accelerated filer x
Non-accelerated filer o (Do not check if a small reporting company)	Smaller Reporting Company ¨
Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).  Yes o  No x

7,116,016 shares of the Registrant's Public Common Stock, $.01 par value, were outstanding at May 3, 2017.

TABLE OF CONTENTS

			Page
PART I - FINANCIAL INFORMATION
	Item 1.	Unaudited Condensed Consolidated Financial Statements:
		Condensed Consolidated Balance Sheets	-2
		Condensed Consolidated Statements of Income	-3
		Condensed Consolidated Statements of Comprehensive Income	-4
		Condensed Consolidated Statements of Cash Flows	-5
		Notes to Condensed Consolidated Financial Statements	-6
	Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations.	-19
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	-26
	Item 4.	Controls and Procedures	-27
PART II - OTHER INFORMATION
	Item 1.	Legal Proceedings	-27
	Item 1A.	Risk Factors	-27
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	-42
	Item 3.	Defaults Upon Senior Securities	-42
	Item 4.	Mine Safety Disclosures	-42
	Item 5.	Other Information	-42
	Item 6.	Exhibits	-43
	Signatures		-44
	Exhibit Index		-45

 HESKA, ALLERCEPT, HEMATRUE, SOLO STEP, THYROMED, VET/OX and VITALPATH are registered trademarks of Heska Corporation. TRI-HEART is a registered trademark of Intervet Inc., d/b/a Merck Animal Health, formerly known as Schering-Plough Animal Health Corporation ("Merck Animal Health"), which is a unit of Merck & Co., Inc., in the United States and is a registered trademark of Heska Corporation in other countries. DRI-CHEM is a registered trademark of FUJIFILM Corporation. This quarterly report on Form 10-Q also refers to trademarks and trade names of other organizations.

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HESKA CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except shares and per share amounts)

	March 31,			December 31,
	2017			2016
	(unaudited)
ASSETS
Current assets:
Cash and cash equivalents	$	12,183		$	10,794
Accounts receivable, net of allowance for doubtful accounts of $275 and $237, respectively	14,197			20,857
Due from – related parties	115			100
Inventories, net	24,920			20,395
Other current assets	3,499			3,127
Total current assets	54,914			55,273
Property and equipment, net	16,358			16,581
Goodwill	26,663			26,647
Other intangible assets, net	2,249			2,346
Deferred tax asset, net	22,582			21,122
Other non-current assets	10,799			8,875
Total assets	$	133,565		$	130,844
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	5,669		$	7,154
Accrued liabilities	6,259			6,469
Current portion of deferred revenue	3,489			3,439
Obligation to purchase minority interest	13,757			14,602
Line of credit and other short-term borrowings	819			750
Total current liabilities	29,993			32,414
Deferred revenue, net of current portion, and other	10,874			11,455
Total liabilities	40,867			43,869
Commitments and contingencies (Note 11)
Stockholders' equity:
Preferred stock, $.01 par value, 2,500,000 shares authorized, none issued or outstanding	—			—
Traditional common stock, $.01 par value, 9,000,000 shares authorized, none issued or outstanding	—			—
Public common stock, $.01 par value, 9,000,000 shares authorized, 7,093,881 and 7,026,051 shares issued and outstanding, respectively	71			70
Additional paid-in capital	239,998			238,635
Accumulated other comprehensive income	153			97
Accumulated deficit	(147,524		)	(151,827		)
Total stockholders' equity	92,698			86,975
Total liabilities and stockholders' equity	$	133,565		$	130,844

See accompanying notes to condensed consolidated financial statements.

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HESKA CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(in thousands, except per share amounts)

(unaudited)

	Three Months Ended March 31,
	2017			2016
Revenue:
Core companion animal health	$	24,607		$	23,434
Other vaccines, pharmaceuticals and products	5,775			3,712
Total revenue, net	30,382			27,146
Cost of revenue	17,173			15,704
Gross profit	13,209			11,442
Operating expenses:
Selling and marketing	6,100			5,619
Research and development	530			575
General and administrative	3,791			3,278
Total operating expenses	10,421			9,472
Operating income	2,788			1,970
Interest and other income, net	(62		)	(133		)
Income before income taxes	2,850			2,103
Income tax expense (benefit):
Current income tax expense:	7			74
Deferred income tax expense (benefit)	(1,460		)	582
Total income tax expense (benefit)	(1,453		)	656
Net income	4,303			1,447
Net income (loss) attributable to non-controlling interest	(304		)	261
Net income attributable to Heska Corporation	$	4,607		$	1,186
Basic earnings per share attributable to Heska Corporation	$	0.66		$	0.18
Diluted earnings per share attributable to Heska Corporation	$	0.61		$	0.17
Weighted average outstanding shares used to compute basic earnings per share attributable to Heska Corporation	7,011			6,496
Weighted average outstanding shares used to compute diluted earnings per share attributable to Heska Corporation	7,594			7,164

See accompanying notes to condensed consolidated financial statements.

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HESKA CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands) 

(unaudited)

	Three Months Ended March 31,
	2017			2016
Net income	$	4,303		$	1,447
Other comprehensive income:
Sale of equity investment	—			(90		)
Foreign currency translation	56			89
Comprehensive income	4,359			1,446
Comprehensive income (loss) attributable to non-controlling interest	(304		)	261
Comprehensive income attributable to Heska Corporation	$	4,663		$	1,185

See accompanying notes to condensed consolidated financial statements.

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HESKA CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

	Three Months Ended March 31,
	2017			2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	4,303		$	1,447
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	1,092			1,096
Deferred tax expense (benefit)	(1,460		)	582
Stock based compensation	691			527
Unrealized benefit on foreign currency translation	(1		)	(1		)
Changes in operating assets and liabilities:
Accounts receivable	6,937			2,429
Inventories	(4,429		)	(3,538		)
Other current assets	(357		)	323
Accounts payable	(1,486		)	(1,683		)
Accrued liabilities and other	(487		)	1,229
Other non-current assets	(2,030		)	(1,250		)
Deferred revenue and other	(447		)	(1,798		)
Net cash provided by (used in) operating activities	2,326			(637		)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale of equity investment	—			115
Purchases of property and equipment	(875		)	(905		)
Proceeds from disposition of property and equipment	—			95
Net cash used in investing activities	(875		)	(695		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net of distributions	713			220
Re-purchase of equity instruments	(860		)	(187		)
Proceeds from line of credit borrowings	7,970			7,841
Re-payments to line of credit borrowings	(7,862		)	(7,186		)
Repayments of other debt	(64		)	(128		)
Net cash provided by (used in) financing activities	(103		)	560
EFFECT OF EXCHANGE RATE CHANGES ON CASH	41			62
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,389			(710		)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	10,794			6,890
CASH AND CASH EQUIVALENTS, END OF PERIOD	$	12,183		$	6,180

See accompanying notes to condensed consolidated financial statements.

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

1.    BASIS OF PRESENTATION

Heska Corporation and its wholly-owned and majority-owned subsidiaries ("Heska", the "Company", "we" or "our") sell advanced veterinary diagnostic and specialty products. Our offerings include blood testing instruments and supplies, digital imaging products, software and services, vaccines, local and cloud-based data services, allergy testing and immunotherapy, and single-use offerings such as in-clinic diagnostic tests and heartworm preventive products. Our core focus is on supporting veterinarians in the canine and feline healthcare space.

In the opinion of management, the accompanying unaudited Condensed Consolidated Financial Statements contain all adjustments, consisting of normal, recurring adjustments, necessary to present fairly the financial position of the Company at March 31, 2017, and the results of our operations and cash flows for the three months ended March 31, 2017 and 2016 .

The unaudited Condensed Consolidated Financial Statements included herein have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP") have been condensed or omitted pursuant to such rules and regulations. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and Notes thereto contained in our Annual Report on Form 10-K for the fiscal year ended December 31, 2016 and other financial information filed with the SEC.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Significant estimates are required when establishing the allowance for doubtful accounts and the provision for excess or obsolete inventory, in determining the period over which our obligations are fulfilled under agreements to license product rights and/or technology rights, evaluating long-lived and intangible assets for impairment, determining the allocation of purchase price under purchase accounting, estimating the expense associated with the granting of stock options, determining the value of the obligation to purchase the minority interest and in determining the need for, and the amount of, a valuation allowance on deferred tax assets.

Critical Accounting Policies

Our accounting policies are described in our audited Consolidated Financial Statements and Notes thereto contained in our Annual Report on Form 10-K for the year ended December 31, 2016.

Recent Accounting Pronouncements

In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)", which supersedes ASC 840, Leases, and creates a new topic, ASC 842, Leases. This update requires lessees to recognize a lease liability and a lease asset for all leases, including operating leases, with a term greater than 12 months on its balance sheet. The update also expands the required quantitative and qualitative disclosures surrounding leases. This update is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years, with early adoption permitted. This update will be applied using a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

presented in the financial statements. We are currently evaluating the effect of this update on our consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)". Upon the effective date, the ASU replaces almost all existing revenue recognition guidance, including industry specific guidance, in U.S. GAAP. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date".  The amendments in this update deferred the effective date for implementation of ASU 2014-09 by one year and are now effective for annual and interim reporting periods beginning after December 15, 2017. The new standard permits two methods of adoption: retrospectively to each prior reporting period presented (full retrospective method), or retrospectively with the cumulative effect of initially applying the guidance recognized at the date of initial application (the modified retrospective method). We currently anticipate adopting the standard using the modified retrospective method. We are still in the process of completing our analysis on the impact this guidance will have on our consolidated financial statements and related disclosures.

2.    ACQUISITIONS AND RELATED PARTY ITEMS

Cuattro Veterinary, LLC

On May 31, 2016, the Company closed a transaction (the "Merger") to acquire Cuattro Veterinary, LLC ("Cuattro International") from Kevin S. Wilson, and all of the members of Cuattro International (the "Members"). Pursuant to the Merger, the Company issued 175,000 shares of the Company’s common stock, $.01 par value per share (the "Common Stock"), to the Members on the Closing Date, at an aggregate value equal to approximately $6.3 million based on the adjusted closing price per share of the Common Stock as reported on the Nasdaq Stock Market on the Merger closing date. These shares were issued to the Members in a private placement in reliance upon an exemption from the registration requirements of the Securities Act of 1933, as amended, pursuant to Section 4(a)(2) thereof and the safe harbor provided by Rule 506 of Regulation D promulgated thereunder. In addition, the Company assumed approximately $1.5 million in debt as part of the transaction.

Mr. Wilson is a founder of Cuattro International, Cuattro, LLC, Cuattro Software, LLC and Cuattro Medical, LLC. Mr. Wilson, Mrs. Wilson and trusts for the benefit of Mr. and Mrs. Wilson’s children and family own a 100% interest in Cuattro, LLC and a majority interest in Cuattro Medical, LLC. Cuattro, LLC owns a 100% interest in Cuattro Software, LLC and, prior to the Merger, owned a majority interest in Cuattro International.

The Company recorded assets acquired and assets assumed at their estimated fair values. Intangible assets were valued based on a report from an independent third party.

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

The following summarizes the aggregate consideration paid by the Company and the allocation of the purchase price (in thousands):

Common stock issued - 175,000 shares	$	6,347
Debt assumed	1,535
Total fair value of consideration transferred	$	7,882
Accounts receivable	$	222
Inventories	39
Due from Cuattro, LLC	963
Property and equipment	80
Other tangible assets	164
Deferred tax asset	56
Intangible assets	2,521
Goodwill	5,783
Accounts payable	(112		)
Deferred tax liability	(905		)
Other assumed liabilities	(929		)
Total fair value of consideration transferred	$	7,882

Intangible assets acquired, amortization method and estimated useful lives as of May 31, 2016 was as follows (dollars in thousands):

	Useful Life	Amortization Method	Fair Value
Customer relationships	6.67	Straight-line	$2,521

Cuattro International is a provider to international markets of digital radiography technologies for veterinarians. As a leading provider of advanced veterinary diagnostic and specialty products, we made the acquisition in an effort to combine Cuattro International's international reach with our domestic success in the imaging and blood testing markets in the United States. International markets represent a significant portion of worldwide veterinary revenues for which we intend to compete.

As of the closing date of the Merger, Cuattro International was renamed Heska Imaging International, LLC, and the Company's interest in both Heska Imaging International, LLC ("International Imaging") and Heska Imaging US, LLC ("US Imaging") was transferred to the Company's wholly-owned subsidiary, Heska Imaging Global, LLC ("Global Imaging").

Cuattro Veterinary USA, LLC

On February 24, 2013, the Company acquired a 54.6% interest in Cuattro Veterinary USA, LLC (the "Acquisition"), which was subsequently renamed Heska Imaging US, LLC. The remaining minority position (45.4%) in US Imaging was subject to purchase by Heska under performance-based puts and calls following the audit of our financial statements for 2016 and 2017. The required performance criteria were met in 2016, we were given notice on March 3, 2017 that the put option was being exercised and we have 90 days from receipt of that notice to deliver payment (any applicable payment in aggregate to be defined as the "Put Payment"). We intend to deliver the Put Payment in cash and obtain the Imaging Minority’s position in US Imaging on May 31, 2017. Based on US Imaging’s 2016 financial performance, the Put Payment is to be for a value of $13.8 million if we deliver all cash. While we have the right to deliver up to 55% of the

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

consideration in our Public Common Stock under certain circumstances, such stock is to be valued based on 90% of market value at the time of notice (the "Delivery Stock Value") and is limited to approximately 650 thousand shares in any case. If the Delivery Stock Value per share is less than the market value per share of our Public Common Stock at the time of the Acquisition, we do not have the right to deliver any Public Common Stock as consideration. While we have reported the Put Payment at $13.8 million for financial reporting purposes, which contemplates our delivery of 100% of the Put Payment consideration in cash, we reserve the right to deliver stock up to the contractual agreed upon limit if we are able to deliver any stock based on the Delivery Stock Value at the time of closing, as discussed above. The estimated Put Payment value of $13.8 million is listed as "Obligation to purchase minority interest" on the Company's consolidated balance sheets as of March 31, 2017 and December 31, 2016.

Shawna M. Wilson, Clint Roth, DVM, Steven M. Asakowicz, Rodney A. Lippincott, Kevin S. Wilson and Cuattro, LLC own approximately 29.75%, 8.39%, 4.09%, 3.07%, 0.05% and 0.05% of US Imaging, respectively. Kevin S. Wilson is the Chief Executive Officer and President of the Company and the spouse of Shawna M. Wilson. Steven M. Asakowicz serves as Executive Vice President, Companion Animal Health Sales for the Company. Rodney A. Lippincott serves as Executive Vice President, Companion Animal Health Sales for the Company.

Related Party Activities

Cuattro, LLC charged Global Imaging $3.9 million during the three months ended March 31, 2017, primarily related to digital imaging products, for which there is an underlying supply contract with minimum purchase obligations, software and services as well as other operating expenses; Heska Corporation charged US Imaging $1.7 million during the three months ended March 31, 2017, primarily related to sales expenses; and Heska Corporation charged Cuattro, LLC $34 thousand during the three months ended March 31, 2017, primarily related to facility usage and other services.

At March 31, 2017, US Imaging had a $1.6 million note receivable, including accrued interest, from International Imaging, which is due on June 15, 2019 and which eliminates in consolidation of the Company's financial statements. This note was previously listed as "Note receivable – related party" on the Company's consolidated balance sheets and, as discussed above, the note receivable was assumed as part of the Company's acquisition of International Imaging. At March 31, 2017, Heska Corporation had accounts receivable from US Imaging of $7.6 million including accrued interest and $0.2 million from International Imaging, respectively which eliminates in consolidation of the Company's financial statements; Global Imaging, US Imaging and Heska Corporation had net prepaid receivables from Cuattro, LLC of $92 thousand, $12 thousand, $11 thousand, respectively, which is included in "Due from – related parties" on the Company's consolidated balance sheets; Global Imaging had net prepaid receivables from US Imaging of $0.7 million which eliminates in consolidation of the Company's financial statements; all monies owed accrue interest at the same interest rate Heska Corporation pays under its credit and security agreement with Wells Fargo Bank, National Association ("Wells Fargo") once past due with the exception of the note receivable, which accrues at this rate to its maturity date.

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

3.    INCOME TAXES

Our total income tax expense (benefit) and the effective tax rate for our income before income taxes were as follows (in thousands):

	Three Months Ended March 31,
	2017			2016
Income before income taxes	$	2,850		$	2,103
Total income tax expense (benefit)	(1,453		)	656
Effective tax rate	(51.0		)%	31.2		%

We are subject to income taxes in the U.S. federal jurisdiction, and various foreign, state and local jurisdictions. Tax regulations within each jurisdiction are subject to the interpretation of the related tax laws and regulations and require significant judgment to apply. The rate in the three months ended March 31, 2017 benefited from stock-based compensation excess tax benefits of $2.5 million which are now recorded as income tax expense or benefit in accordance with our policy.

There were no cash payments for income taxes for the three months ended March 31, 2017 and there were $5 thousand cash paid for income taxes for the three month period ended March 31, 2016.

4.    EARNINGS PER SHARE

Basic earnings per share ("EPS") is computed by dividing net income attributable to Heska Corporation by the weighted-average number of common shares outstanding during the period. The computation of diluted EPS is similar to the computation of basic EPS except that the numerator is increased to exclude charges that would not have been incurred, and the denominator is increased to include the number of additional common shares that would have been outstanding (using the if-converted and treasury stock methods), if securities containing potentially dilutive common shares (stock options and restricted stock units but excluding options to purchase fractional shares resulting from the Company's December 2010 1-for-10 reverse stock split) had been converted to common shares, and if such assumed conversion is dilutive.

The following is a reconciliation of the weighted-average shares outstanding used in the calculation of basic and diluted earnings per share for the three months ended March 31, 2017 and 2016 (in thousands, except per share data):

	Three Months Ended March 31,
	2017		2016
Net income attributable to Heska Corporation	$	4,607	$	1,186
Basic weighted-average common shares outstanding	7,011		6,496
Assumed exercise of dilutive stock options and restricted stock units	583		668
Diluted weighted-average common shares outstanding	7,594		7,164
Basic earnings per share attributable to Heska Corporation	$	0.66	$	0.18
Diluted earnings per share attributable to Heska Corporation	$	0.61	$	0.17

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

The following stock options and restricted units were excluded from the computation of diluted earnings per share because they would have been anti-dilutive (in thousands):

	Three Months Ended March 31,
	2017	2016
Stock options	110	120

5.    GOODWILL AND OTHER INTANGIBLES

The following summarizes the change in goodwill during the three months ended March 31, 2017 (in thousands):

Carrying amount, December 31, 2016	$	26,647
Foreign currency adjustments	16
Carrying amount, March 31, 2017	$	26,663

Other intangibles consists of the following as of March 31, 2017 and December 31, 2016 (in thousands):

	March 31,			December 31,
	2017			2016
Gross carrying amount	$	2,622		$	2,622
Accumulated amortization	(373		)	(276		)
Net carrying amount	$	2,249		$	2,346

Amortization expense relating to other intangibles was as follows (in thousands):

	Three Months Ended March 31,
	2017		2016
Amortization expense	$	97	$	3

Estimated amortization expense related to intangibles for each of the five years from 2017 (remaining) through 2021 and thereafter is as follows (in thousands):

Year Ending December 31,
2017 (remaining)	291
2018	388
2019	388
2020	388
2021	384
Thereafter	410
	$	2,249

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

6.    PROPERTY AND EQUIPMENT

Property and equipment, net consists of the following (in thousands):

	March 31,			December 31,
	2017			2016
Land	$	377		$	377
Building	2,868			2,868
Machinery and equipment	37,403			36,588
Leasehold and building improvements	7,794			7,662
Construction in progress	1,485			1,655
	49,927			49,150
Less accumulated depreciation	(33,569		)	(32,569		)
Total property and equipment, net	$	16,358		$	16,581

The Company has utilized marketing programs whereby its instruments in inventory may be placed in a customer's location on a rental basis. The cost of these instruments is transferred to machinery and equipment and depreciated, typically over a five to seven year period depending on the circumstance under which the instrument is placed with the customer. Total costs transferred from inventory were approximately $0.1 million and $1.8 million for the three months ended March 31, 2017 and the annual period ended December 31, 2016, respectively.

The Company has sold certain customer rental contracts and underlying assets to third parties under agreements that once the customer has met its obligations under the contract, ownership of the assets underlying the contract would be returned to the Company. The Company enters a debit to cash and a corresponding credit to deferred revenue at the time of these sales. Since the Company anticipates it will regain ownership of the assets underlying these sales, it reports these assets as part of property and equipment and depreciates these assets in accordance with its depreciation policies. The Company had $0.3 million of net property and equipment related to these transactions as of both March 31, 2017 and December 31, 2016, all related to the Company's 54.6%-owned subsidiary, US Imaging.

Depreciation expense for property and equipment was $1.0 million and $1.1 million for the three months ended March 31, 2017 and 2016, respectively.

7.    INVENTORIES

Inventories are stated at the lower of cost or net realizable value using the first-in, first-out method. Inventory we manufacture includes the cost of material, labor and overhead. If the cost of inventories exceeds estimated net realizable value, provisions are made to reduce the carrying value to estimated net realizable value.

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

Inventories, net consists of the following (in thousands):

	March 31,			December 31,
	2017			2016
Raw materials	$	12,646		$	10,807
Work in process	3,948			3,820
Finished goods	9,670			7,087
Allowance for excess or obsolete inventory	(1,344		)	(1,319		)
Total inventory, net	$	24,920		$	20,395

8.    ACCRUED LIABILITIES

Accrued liabilities consists of the following (in thousands):

	March 31, 2017		December 31, 2016
Accrued purchases	$	1,377	$	664
Accrued payroll and employee benefits	1,267		2,166
Accrued property taxes	367		748
Other	3,248		2,891
Total accrued liabilities	$	6,259	$	6,469

Other accrued liabilities consists of items that are individually less than 5% of total current liabilities.

9.    CAPITAL STOCK

Stock Option Plans

The fair value of each option grant was estimated on the date of grant using the Black-Scholes option- pricing model with the following weighted average assumptions for options granted in the three months ended March 31,2017 and 2016.

	Three Months Ended March 31,
	2017	2016
Risk-free interest rate	1.87%	1.45%
Expected lives	4.9 years	4.5 years
Expected volatility	40%	41%
Expected dividend yield	0%	0%

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

A summary of our stock option plans, excluding options to purchase fractional shares resulting from our December 2010 1-for-10 reverse stock split, is as follows:

	Three Months Ended March 31,				Year Ended December 31,
	2017				2016
	Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price
Outstanding at beginning of period	829,617		$	23.203	940,610		$	14.163
Granted at Market	300		$	81.000	129,855		$	67.706
Canceled	(30	)	$	6.230	(463	)	$	14.881
Exercised	(75,566	)	$	8.629	(240,385	)	$	11.886
Outstanding at end of period	754,321		$	24.687	829,617		$	23.203
Exercisable at end of period	491,797		$	13.882	532,703		$	12.140

The total estimated fair value of stock options granted during the three months ended March 31, 2017 and 2016 was computed to be approximately $9 thousand and $11 thousand, respectively. The amounts are amortized ratably over the vesting periods of the options. The weighted average estimated fair value of options granted during the three months ended March 31, 2017 and 2016 was computed to be approximately $30.20 and $10.93, respectively. The total intrinsic value of options exercised during the three months ended March 31, 2017 and 2016 was $6.3 million and $0.1 million, respectively. The cash proceeds from options exercised during the three months ended March 31, 2017 and 2016 was $0.6 million and $62 thousand, respectively.

The following table summarizes information about stock options outstanding and exercisable at March 31, 2017, excluding outstanding options to purchase an aggregate of 0.5 fractional shares resulting from our December 2010 1-for-10 reverse stock split with a weighted average remaining contractual life of 0.09 years, at an exercise price of $22.50. We intend to issue whole shares only from option exercises.

	Options Outstanding				Options Exercisable
Exercise Prices	Number of Options Outstanding at March 31, 2017	Weighted Average Remaining Contractual Life in Years	Weighted Average Exercise Price		Number of Options Exercisable at March 31, 2017	Weighted Average Exercise Price
$  4.40 - $  6.90	115,744	3.56	$	5.599	115,019	$	5.595
$  6.91 - $  8.34	158,542	6.58	$	7.451	127,207	$	7.471
$  8.35 - $18.13	190,798	6.50	$	13.142	147,027	$	11.752
$18.14 - $39.76	178,530	7.67	$	34.903	95,695	$	31.424
$39.77 - $81.00	110,707	9.75	$	72.748	6,849	$	72.713
$  4.40 - $81.00	754,321	6.82	$	24.687	491,797	$	13.882

As of March 31, 2017, there was approximately $4.0 million in total unrecognized compensation cost related to outstanding stock options. That cost is expected to be recognized over a weighted average period of 1.72 years, with all cost to be recognized by the end of February 2021, assuming all options vest according to the vesting schedules in place at March 31, 2017. As of March 31, 2017, the aggregate intrinsic value of

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

outstanding options was approximately $60.6 million and the aggregate intrinsic value of exercisable options was approximately $44.8 million.

Employee Stock Purchase Plan (the "ESPP")

For the three months ended March 31,2017 and 2016, we issued 3,204 and 5,885 shares under the ESPP, respectively.

For the three months ended March 31, 2017 and 2016, we estimated the fair values of stock purchase rights granted under the ESPP using the Black-Scholes pricing model. The weighted average assumptions used for the periods presented were as follows:

	Three Months Ended March 31,
	2017	2016
Risk-free interest rate	0.64%	0.51%
Expected lives	1.2 years	1.2 years
Expected volatility	45%	41%
Expected dividend yield	0%	0%

For the three months ended March 31, 2017 and 2016, the weighted-average fair value of the purchase rights granted was $13.41 and $6.29 per share, respectively.

Restricted Stock Issuance

On March 26, 2014, we issued 110,000 shares to Mr. Wilson pursuant to an employment agreement between Mr. Wilson and the Company effective as of March 26, 2014 (the "Wilson Employment Agreement"). The shares were issued in four equal tranches and subject to time-based vesting and other provisions outlined in the Wilson Employment Agreement. As of March 26, 2017, all tranches have vested.

On March 17, 2015, the Company issued unvested shares to certain Executive Officers related to performance-based restricted stock grants (the "Performance Grants") and performance-based restricted stock grants related to the Company's 2015 Management Incentive Plan (the "2015 MIP Grants"). The Company issued 52,956 shares under the Performance Grants and 24,649 shares under 2015 MIP Grants. The Performance Grants have met the underlying performance condition based on the Company's 2015 financial performance and are to cliff vest on March 17, 2018, subject to other vesting provisions in the underlying restricted stock grant agreement. The 2015 MIP Grants were subject to the Company’s achievement of certain financial goals and other vesting provisions in the underlying restricted stock grant agreement. On March 2, 2016, the Company vested 14,364 shares related to the 2015 MIP Grant based on the respective performance criteria, including 4,788 shares withheld for tax, and canceled the remaining 10,285 shares.

On March 2, 2016, the Company issued 15,000 unvested shares to certain Executive Officers related to performance-based restricted stock grants as part of the Company’s 2016 Management Incentive Plan (the "2016 MIP Grants"). Of these, 14,629 vested (371 were forfeited) and 4,133 were withheld for tax. The 2016 MIP Grants vested during the three months ended March 31, 2017, subject to the Company’s achievement of certain financial goals and other vesting provisions in the underlying restricted stock grant agreement.

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

Restrictions on the transfer of Company stock

The Company's Restated Certificate of Incorporation, as amended (the "Certificate of Incorporation"), places restrictions (the "Transfer Restrictions") on the transfer of the Company's stock that could adversely affect the Company's ability to utilize its domestic Federal Net Operating Loss Position. In particular, the Transfer Restrictions prevent the transfer of shares without the approval of the Company's Board of Directors if, as a consequence of such transfer, an individual, entity or groups of individuals or entities would become a 5-percent holder under Section 382 of the Internal Revenue Code of 1986, as amended, and the related Treasury regulations, and also prevents any existing 5-percent holder from increasing his or her ownership position in the Company without the approval of the Company's Board of Directors. Any transfer of shares in violation of the Transfer Restrictions (a "Transfer Violation") shall be void ab initio under the Certificate of Incorporation, and the Company's Board of Directors has procedures under the Certificate of Incorporation to remedy a Transfer Violation including requiring the shares causing such Transfer Violation to be sold and any profit resulting from such sale to be transferred to a charitable entity chosen by the Company's Board of Directors in specified circumstances.

10.    ACCUMULATED OTHER COMPREHENSIVE INCOME

Accumulated other comprehensive income consists of the following (in thousands):

	Minimum pension liability			Foreign currency translation		Total accumulated other comprehensive income
Balances at December 31, 2016	$	(501	)	$	598	$	97
Current period other comprehensive income (loss)	—			56		56
Balances at March 31, 2017	$	(501	)	$	654	$	153

11.COMMITMENTS AND CONTINGENCIES

The Company holds certain rights to market and manufacture all products developed or created under certain research, development and licensing agreements with various entities. In connection with such agreements, the Company has agreed to pay the entities royalties on net product sales. In each of the three months ended March 31, 2017 and 2016, royalties of $0.1 million became payable under these agreements.

The Company has contracts with suppliers for unconditional annual minimum inventory purchases and milestone obligations to third parties the Company believes are likely to be triggered currently totaling approximately $0.6 million in 2017 and $0.3 million in 2018.

From time to time, the Company may be involved in litigation relating to claims arising out of its operations. On March 12, 2015, a complaint was filed against us by Shaun Fauley in the United States District Court Northern District of Illinois alleging our transmittal of unauthorized faxes in violation of the federal Telephone Consumer Protection Act of 1991, as amended by the Junk Fax Prevention Act of 2005, as a class action seeking stated damages of the greater of actual monetary loss or five hundred dollars per violation. We intend to defend ourselves vigorously in this matter. As of March 31, 2017, the Company was not a party to any other legal proceedings that were expected, individually or in the aggregate, to have a material adverse effect on our business, financial condition or operating results.

The Company's current terms and conditions of sale include a limited warranty that its products and services will conform to published specifications at the time of shipment and a more extensive warranty

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HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

related to certain of its products. The Company also sells a renewal warranty for certain of its products. The typical remedy for breach of warranty is to correct or replace any defective product, and if not possible or practical, the Company will accept the return of the defective product and refund the amount paid. Historically, the Company has incurred minimal warranty costs. The Company's warranty reserve was $0.4 million at both March 31, 2017 and December 31, 2016.

12.    INTEREST AND OTHER INCOME, NET

Interest and other income, net consisted of the following (in thousands):

	Three Months Ended March 31,
	2017			2016
Interest income	$	(38	)	$	(33	)
Interest expense	24			38
Other income, net	(48		)	(138		)
Total interest and other income, net	$	(62	)	$	(133	)

Cash paid for interest for the three months ended March 31, 2017 and 2016 was $15 thousand and $18 thousand, respectively.

13.    CREDIT FACILITY

At March 31, 2017, we had a $15.0 million asset-based revolving line of credit with Wells Fargo which has a maturity date of December 31, 2017 as part of our credit and security agreement with Wells Fargo. At March 31, 2017 and December 31, 2016, respectively, we had $0.8 million borrowings outstanding on this line of credit. Our ability to borrow under this line of credit varies based upon available cash, eligible accounts receivable and eligible inventory. Any interest on borrowings due is to be charged at a stated rate of three month LIBOR plus 2.25% and payable monthly. There is an annual minimum interest charge of $75 thousand under the agreement. We are required to comply with various financial and non-financial covenants, and we have made various representations and warranties under our agreement with Wells Fargo. A key financial covenant is based on a fixed charge coverage ratio, as defined in our agreement with Wells Fargo. We were in compliance with all financial covenants as of March 31, 2017 and our available borrowing capacity based upon eligible accounts receivable and eligible inventory under our revolving line of credit was approximately $9.7 million.

14.    SEGMENT REPORTING

The Company consists of two reportable segments, Core Companion Animal Health ("CCA") and Other Vaccines, Pharmaceuticals and Products ("OVP"). The CCA segment includes diagnostic instruments and supplies, as well as single use diagnostic and other tests, pharmaceuticals and vaccines, primarily for canine and feline use. The CCA segment also includes digital radiography and ultrasound products along with embedded software and support, data hosting and other services from US Imaging and International Imaging. These products are sold directly by the Company as well as through independent third-party distributors and through other distribution relationships. CCA segment products manufactured at the Des Moines, Iowa production facility included in the OVP segment's assets are transferred at cost and are not recorded as revenue for the OVP segment. The OVP segment includes private label vaccine and pharmaceutical production, primarily for cattle, but also for other animals including small mammals. All OVP products are sold by third parties under third-party labels.

--17-

HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

Summarized financial information concerning the Company's reportable segments is shown in the following table (in thousands):

Three Months Ended March 31, 2017	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total revenue	$	24,607	$	5,775	$	30,382
Operating income	1,114		1,674		2,788
Income before income taxes	1,214		1,636		2,850
Capital purchases	444		431		875
Depreciation and amortization	845		247		1,092

Three Months Ended March 31, 2016	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total revenue	$	23,434	$	3,712	$	27,146
Operating income	1,758		212		1,970
Income before income taxes	1,808		295		2,103
Capital purchases	397		508		905
Depreciation and amortization	897		199		1,096

Revenue is attributed to individual countries based on customer location. Total revenue by principal geographic area was as follows (in thousands):

	Three Months Ended March 31,
	2017		2016
United States	$	27,721	$	25,650
Europe	912		553
Canada	522		365
Other International	1,227		578
Total	$	30,382	$	27,146

Asset information by reportable segment as of March 31, 2017 is as follows (in thousands):

	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total assets	$	112,684	$	20,881	$	133,565
Net assets	72,159		20,539		92,698

Asset information by reportable segment as of December 31, 2016 is as follows (in thousands):

	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total assets	$	110,995	$	19,849	$	130,844
Net assets	68,072		18,903		86,975

--18-

HESKA CORPORATION AND SUBSIDIARIES

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS- (Continued)

Total assets by principal geographic areas were as follows (in thousands):

	March 31,		December 31,
	2017		2016
United States	$	130,164	$	127,827
Europe	3,401		3,017
Total	$	133,565	$	130,844

Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the unaudited Condensed Consolidated Financial Statements and related Notes included in Part I Item 1 of this Form 10-Q.

This discussion contains forward-looking statements that involve risks and uncertainties. Such statements, which include statements concerning future revenue sources and concentration, gross profit margins, selling and marketing expenses, research and development expenses, general and administrative expenses, capital resources, additional financings or borrowings and additional losses, are subject to risks and uncertainties, including, but not limited to, those discussed below and elsewhere in this Form 10-Q, particularly in Part II, Item 1A "Risk Factors," that could cause actual results to differ materially from those projected. The forward-looking statements set forth in this Form 10-Q are as of the close of business on May 3, 2017 and we undertake no duty and do not intend to update this information, except as required by applicable laws.

Overview

We sell advanced veterinary diagnostic and specialty products. Our offerings include blood testing instruments and supplies, digital imaging products, software and services, vaccines, local and cloud-based data services, allergy testing and immunotherapy, and single-use offerings such as in-clinic diagnostic tests and heartworm preventive products. Our core focus is on supporting veterinarians in the canine and feline healthcare space.

Our business consists of two reportable segments, Core Companion Animal Health ("CCA"), which represented 81% of our revenue for the twelve months ended March 31, 2017 (which we define as "LTM") and Other Vaccines, Pharmaceuticals and Products ("OVP"), which represented 19% of LTM revenue.

The CCA segment includes, primarily for canine and feline use, blood testing instruments and supplies, digital imaging products, software and services, local and cloud-based data services, allergy testing and immunotherapy, and single use offerings such as in-clinic diagnostic tests and heartworm preventive products.

Blood testing and other non-imaging instruments and consumable supplies represented approximately 39% of our LTM revenue. Many products in this area involve placing an instrument in the field and generating future revenue from consumables, including items such as supplies and service, as that instrument is used. Approximately 28% of our LTM revenue resulted from the sale of such consumables to an installed base of instruments and approximately 11% of our LTM revenue was from instrument revenue. A loss of, or disruption in, the supply of consumables we are selling to an installed base of instruments could substantially harm our business. All of our blood testing and other non-imaging instruments and supplies are supplied by third parties, who typically own the product rights and supply the product to us under marketing and/or distribution agreements. In many cases, we have collaborated with a third party to adapt a human instrument

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for veterinary use. Major products in this area include our instruments for chemistry, hematology, blood gas, and immunodiagnostic testing and their affiliated operating consumables. Revenue from products in these three areas, including revenues from consumables, represented approximately 35% of our LTM revenue.

Imaging hardware, software and services represented approximately 21% of LTM revenue. Digital radiography is the largest product offering in this area, which also includes ultrasound instruments. Digital radiography solutions typically consist of a combination of hardware and software placed with a customer, often combined with an ongoing service and support contract. With our acquisition of Cuattro Veterinary, LLC, subsequently renamed Heska Imaging International, LLC, we now sell our imaging solutions both in the United States and internationally. Our experience has been that most of the revenue is generated at the time of sale in this area, in contrast to the blood testing category discussed above where ongoing consumable revenue is often a larger component of economic value as a given blood testing instrument is used.

Other CCA revenue, including single use diagnostic and other tests, pharmaceuticals and biologicals as well as research and development, licensing and royalty revenue, represented approximately 22% of our LTM revenue. Since items in this area are often single use by their nature, our typical aim is to build customer satisfaction and loyalty for each product, generate repeat annual sales from existing customers and expand our customer base in the future. Products in this area are both supplied by third parties and provided by us. Major products and services in this area include heartworm diagnostic tests and preventives, and allergy test kits, allergy immunotherapy and testing. Combined revenue from heartworm-related products and allergy-related products represented 21% of our LTM revenue.

We consider the CCA segment to be our core business and devote most of our management time and other resources to improving the prospects for this segment. Maintaining a continuing, reliable and economic supply of products we currently obtain from third parties is critical to our success in this area. Virtually all of our sales and marketing expenses occur in the CCA segment. The majority of our research and development spending is dedicated to this segment as well.

All of our CCA products are ultimately sold primarily to or through veterinarians. In many cases, veterinarians will mark up their costs to their customer. The acceptance of our products by veterinarians is critical to our success. CCA products are sold directly to end users by us as well as through distribution relationships, such as our agreement with Intervet Inc., d/b/a Merck Animal Health ("Merck Animal Health"), the sale of kits to conduct blood testing to third-party veterinary diagnostic laboratories and independent third-party distributors. Revenue from direct sales and distribution relationships represented approximately 60% and 40%, respectively, of CCA LTM revenue.

The OVP segment includes our 168,000 square foot USDA- and FDA-licensed production facility in Des Moines, Iowa. We view this facility as an asset which could allow us to control our cost of goods on any pharmaceuticals and vaccines that we may commercialize in the future. We have increased integration of this facility with our operations elsewhere. For example, virtually all our U.S. inventory, excluding our imaging products, is now stored at this facility and related fulfillment logistics are managed there. CCA segment products manufactured at this facility are transferred at cost and are not recorded as revenue for our OVP segment. We view OVP reported revenue as revenue primarily to cover the overhead costs of the facility and to generate incremental cash flow to fund our CCA segment.

Our OVP segment includes private label vaccine and pharmaceutical production, primarily for cattle but also for other species including equine, porcine, avian, feline and canine. All OVP products are sold by third parties under third-party labels.

Historically, a significant portion of our OVP segment's revenue has been generated from the sale of certain bovine vaccines, which have been sold primarily under the Titanium® and MasterGuard® brands. We

-20

have an agreement with Eli Lilly and Company ("Eli Lilly") and its affiliates operating through Elanco for the production of these vaccines. Our OVP segment also produces vaccines and pharmaceuticals for other third parties.

Results of Operations

Our analysis presented below is organized to provide the information we believe will facilitate an understanding of our historical performance and relevant trends going forward.

The following table sets forth, for the periods indicated, certain data derived from our unaudited condensed consolidated statements of income (in thousands):

	Three Months Ended March 31,
	2017			2016
Revenue	$	30,382		$	27,146
Gross profit	13,209			11,442
Operating expenses	10,421			9,472
Operating income	2,788			1,970
Interest and other income, net	(62		)	(133		)
Income before income taxes	2,850			2,103
Income tax expense (benefit)	(1,453		)	656
Net income	4,303			1,447
Net income (loss) attributable to non-controlling interest	(304		)	261
Net income attributable to Heska Corporation	$	4,607		$	1,186

The following table sets forth, for the periods indicated, the percentage of sales represented by certain items reflected in our unaudited condensed consolidated statements of income:

	Three Months Ended March 31,
	2017		2016
Revenue	100.0	%	100.0	%
Gross profit	43.5	%	42.1	%
Operating expenses	34.3	%	34.9	%
Operating income	9.2	%	7.3	%
Interest and income, net	(0.2	)%	(0.5	)%
Income before income taxes	9.4	%	7.7	%
Income tax expense (benefit)	(4.8	)%	2.4	%
Net income	14.2	%	5.3	%
Net income (loss) attributable to non-controlling interest	(1.0	)%	1.0	%
Net income attributable to Heska Corporation	15.2	%	4.4	%

-21

Revenue

Total revenue increased12% to $30.4 million in the three months ended March 31, 2017, compared to $27.1 million in the three months ended March 31, 2016.

CCA segment revenue increased5% to $24.6 million in the three months ended March 31, 2017, compared to $23.4 million in the three months ended March 31, 2016. The increase was driven by a 22% increase in revenue from core blood diagnostics subscriptions, equipment and consumables, partially offset by a 26% decrease in revenue from sales of our imaging products.

OVP segment revenue increased56% to $5.8 million in the three months ended March 31, 2017, compared to $3.7 million in the three months ended March 31, 2016. The increase was driven primarily by increased revenue from sales under our agreement with Elanco.

Gross Profit

Gross profit increased15% to $13.2 million in the three months ended March 31, 2017, compared to $11.4 million in the three months ended March 31, 2016.  Gross Margin, which is gross profit divided by total revenue, increased to 43.5% in the three months ended March 31, 2017, compared to 42.1% in the three months ended March 31, 2016. The increase in gross profit was driven primarily by a 12% increase in sales, while the increase in gross margin percentage was driven primarily by favorable product mix in our OVP segment.

Operating Expenses

Selling and marketing expenses increased9% to $6.1 million in the three months ended March 31, 2017, compared to $5.6 million in the three months ended March 31, 2016. The increase was driven primarily by increased sales compensation on higher revenue from our core blood diagnostics instruments and consumables.

Research and development expenses decreased8% to $0.5 million in the three months ended March 31, 2017, compared to $0.6 million in the three months ended March 31, 2016. The decrease was driven primarily by a slight decline in the purchase of general supplies.

General and administrative expenses increased16% to $3.8 million in the three months ended March 31, 2017, compared to $3.3 million in the three months ended March 31, 2016. The increase was driven primarily by increases in personnel costs, stock compensation expense and general consulting services.

Interest and Other Income, net

Interest and other income, net, was $62 thousand in the three months ended March 31, 2017, compared to $133 thousand in the three months ended March 31, 2016. This line item can be broken into the following components: net interest income or expense, net foreign currency gains and losses and other income or expense. Net interest was income of $14 thousand in the three months ended March 31, 2017, compared to an expense of $5 thousand in the three months ended March 31, 2016. Net foreign currency gain was $41 thousand in the three months ended March 31, 2017, compared to a net foreign currency gain of $46 thousand in the three months ended March 31, 2016. The net currency fluctuations were driven by the impact of exchange rates between the Euro and the Swiss Franc, which is the functional currency of our Swiss subsidiary. Other income was $7 thousand in the three months ended March 31, 2017, compared to other income of $92 thousand in the three months ended March 31, 2016. The decrease was driven primarily by the sale of an equity investment that occurred in the first quarter of 2016.

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Income Tax Expense (Benefit)

In the three months ended March 31, 2017, we had a total income tax benefit of $1.5 million, including a $1.5 million domestic deferred income tax benefit and a $7 thousand current income tax expense. In the three months ended March 31, 2016, we had total income tax expense of $0.7 million, including $0.6 million in domestic deferred income tax expense, a non-cash item primarily related to our domestic NOL position, and $0.1 million in current income tax expense. The rate in the three months ended March 31, 2017 benefited from stock-based compensation excess tax benefits of $2.5 million which are now recorded as income tax expense or benefit in accordance with our policy.

Net Income attributable to Heska Corporation

Net income attributable to Heska Corporation was $4.6 million for the three months ended March 31, 2017, compared to net income attributable to Heska Corporation of $1.2 million in the prior year period. The difference between this line item and "Net Income" is the net income or loss attributable to our minority interest in US Imaging, which was a loss of $0.3 million in the three months ended March 31, 2017, compared to a gain of $0.3 million in the three months ended March 31, 2016.

Impact of Inflation

In recent years, inflation has not had a significant impact on our operations.

Liquidity, Capital Resources and Financial Condition

We believe that adequate liquidity and cash generation is important to the execution of our strategic initiatives. Our ability to fund our operations, acquisitions, capital expenditures, and product development efforts may depend on our ability to generate cash from operating activities, which is subject to future operating performance, as well as general economic, financial, competitive, legislative, regulatory, and other conditions, some of which may be beyond our control. Our primary sources of liquidity are our available cash, cash generated from current operations and availability under our credit facilities noted below.

For the three months ended March 31, 2017, we had net income of $4.3 million and net cash provided by operations of $2.3 million. At March 31, 2017, we had $12.2 million of cash and cash equivalents and working capital of $24.9 million.

At March 31, 2017, we had a $15.0 million asset-based revolving line of credit with Wells Fargo which has a maturity date of December 31, 2017 as part of our credit and security agreement with Wells Fargo. At March 31, 2017, we had $0.8 million borrowings outstanding on this line of credit. Our ability to borrow under this line of credit varies based upon available cash, eligible accounts receivable and eligible inventory. Any interest on borrowings due is to be charged at a stated rate of three month LIBOR plus 2.25% and payable monthly. There is an annual minimum interest charge of $75 thousand under the agreement. We are required to comply with various financial and non-financial covenants, and we have made various representations and warranties under our agreement with Wells Fargo. A key financial covenant is based on a fixed charge coverage ratio, as defined in our agreement with Wells Fargo. Failure to comply with any of the covenants, representations or warranties could result in our being in default on the loan and could cause all outstanding amounts payable to Wells Fargo to become immediately due and payable or impact our ability to borrow under the agreement. We were in compliance with all financial covenants as of March 31, 2017 and our available borrowing capacity based upon eligible accounts receivable and eligible inventory under our revolving line of credit was approximately $9.7 million.

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A summary of our cash from operating, investing and financing activities is as follows (in thousands):

	Three Months Ended March 31,
	2017			2016
Net cash provided by (used in) operating activities	$	2,326		$	(637	)
Net cash used in investing activities	(875		)	(695		)
Net cash provided by (used in) financing activities	(103		)	560
Effect of currency translation on cash	41			62
Increase (decrease) in cash and cash equivalents	1,389			(710		)
Cash and cash equivalents, beginning of the period	10,794			6,890
Cash and cash equivalents, end of the period	$	12,183		$	6,180

Net cash provided by operating activities was $2.3 million in the three months ended March 31, 2017, compared to net cash used in operating activities of $0.6 million in the three months ended March 31, 2016, a favorable increase of approximately $3.0 million. The increase in cash provided by operations was driven primarily by $4.5 million increase in cash provided by accounts receivable, a $2.9 million increase in net income, a $1.4 million increase in cash provided by deferred revenue and other non-current assets, a $0.2 million decrease in cash used for accounts payable and a $0.2 million increase in stock compensation expense, partially offset by a $2.0 million unfavorable change in our deferred tax asset, a $1.7 million increase in cash used in accrued liabilities and other non-current liabilities, a $1.6 million increase in cash used for inventory and other current assets and a $0.8 million increase in cash used in other non-current assets.

Net cash used in investing activities was $0.9 million in the three months ended March 31, 2017, compared to net cash used in investing activities of $0.7 million in the three months ended March 31, 2016, an unfavorable increase of approximately $0.2 million. The unfavorable increase was driven primarily by proceeds from the disposition of property and equipment and the sale of an equity investment that both occurred in the first quarter of 2016.

Net cash used in financing activities was $0.1 million in the three months ended March 31, 2017, compared to net cash provided by financing activities of $0.6 million in the three months ended March 31, 2016, which represented a $0.7 millionincrease in cash used by financing activities. The change was driven primarily by a net increase in repayments of borrowings from our line of credit.

Under the Amended and Restated Operating Agreement of US Imaging (the "Operating Agreement"), should US Imaging meet certain performance criteria, the Imaging Minority had been granted a put option to sell us all of the Imaging Minority's position in US Imaging following the audit of our financial statements for 2016 or 2017. The required performance criteria were met in 2016, we were given notice on March 3, 2017 that the put option was being exercised and we have 90 days from receipt of that notice to deliver payment (any applicable payment in aggregate to be defined as the "Put Payment"). We intend to deliver the Put Payment in cash and obtain the Imaging Minority’s position in US Imaging on May 31, 2017. Based on US Imaging’s 2016 financial performance, the Put Payment is to be for a value of $13.8 million if we deliver all cash. While we have the right to deliver up to 55% of the consideration in our Public Common Stock under certain circumstances, such stock is to be valued based on 90% of market value at the time of notice (the "Delivery Stock Value") and is limited to approximately 650 thousand shares in any case. If the Delivery Stock Value per share is less than the market value per share of our Public Common Stock at the time of the Acquisition, we do not have the right to deliver any Public Common Stock as consideration. While we have reported the Put Payment at $13.8 million for financial reporting purposes, which contemplates our delivery of 100% of the Put Payment consideration in cash, we reserve the right to deliver stock up to the contractual

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agreed upon limit if we are able to deliver any stock based on the Delivery Stock Value at the time of closing, as discussed above. The estimated Put Payment value of $13.8 million is listed as "Obligation to purchase minority interest" on the Company's consolidated balance sheets as of March 31, 2017 and December 31, 2016.

At March 31, 2017, US Imaging had a $1.6 million note receivable, including accrued interest, from International Imaging, which is due on June 15, 2019 and which eliminates in consolidation of the Company's financial statements. This note was previously listed as "Note receivable – related party" on the Company's consolidated balance sheets and, as discussed above, the note receivable was assumed as part of the Company's acquisition of International Imaging. At March 31, 2017, Heska Corporation had accounts receivable from US Imaging of $7.6 million including accrued interest and $0.2 million accounts receivable from International Imaging, respectively which eliminates in consolidation of the Company's financial statements; Global Imaging, US Imaging and Heska Corporation had net prepaid receivables from Cuattro, LLC of $92 thousand, $12 thousand, $11 thousand, respectively, which is included in "Due from – related parties" on the Company's consolidated balance sheets; Global Imaging had net prepaid receivables from US Imaging of $0.7 million which eliminates in consolidation of the Company's financial statements; all monies owed accrue interest at the same interest rate Heska Corporation pays under its credit and security agreement with Wells Fargo Bank, National Association ("Wells Fargo") once past due with the exception of the note receivable, which accrues at this rate to its maturity date.

At March 31, 2017, we had other borrowings outstanding totaling $39 thousand, all of which were obligations of a US Imaging loan from De Lage Landen Financial Services, Inc. ("DLL"). The note bears an interest rate of 6% per annum and is due in equal monthly payments, including principal and interest, of $13 thousand through June 2017. The note may be prepaid prior to maturity, but is subject to a surcharge in such a circumstance. Principal associated with these borrowings of approximately $39 thousand is listed as "Other short term borrowings" on our consolidated balance sheets as it is due within a year.

Our financial plan for 2017 indicates that our available cash and cash equivalents, together with cash from operations and borrowings expected to be available under our revolving line of credit, will be sufficient to fund our operations for the foreseeable future as well as finance the purchase of the Imaging Minority as described above. Additionally, we would consider additional acquisitions if we felt they were consistent with our strategic direction. However, our actual results may differ from this plan and we may be required to consider alternative strategies. We may be required to raise additional capital in the future. If necessary, we expect to raise these additional funds through the increased sale of customer leases, the sale of equity securities or the issuance of new term debt. There is no guarantee that additional capital will be available from these sources on acceptable terms, if at all, and certain of these sources may require approval by existing lenders. See "Risk Factors" in Item 1A of this Form 10-Q for a discussion of some of the factors that affect our capital raising alternatives.

Effect of currency translation on cash

Net effect of foreign currency translations on cash changed $21 thousand to a $41 thousand positiveimpact in the three months ended March 31, 2017, compared to a $62 thousand positive impact in the three months ended March 31, 2016. These effects are related to changes in exchange rates between the United States dollar and the Swiss Franc, which is the functional currency of our Swiss subsidiary.

Off Balance Sheet Arrangements

We have no off balance sheet arrangements or variable interest entities.

Critical Accounting Policies and Estimates

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The preparation of financial statements and related disclosures in conformity with U.S. GAAP requires us to make judgments, assumptions and estimates that affect the amounts reported in the unaudited Condensed Consolidated Financial Statements and accompanying notes. Note 1 to the Consolidated Financial Statements in our Annual Report on Form 10-K for the year ended December 31, 2016 describes the significant accounting policies and methods used in the preparation of these unaudited Condensed Consolidated Financial Statements. Our critical accounting estimates, discussed in the Management's Discussion and Analysis of Financial Condition and Results of Operations in Part II, Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2016, include estimates for revenue recognition, allowances for doubtful accounts, accounting for income taxes, the value of our non-controlling interest and assessing excess and obsolete inventories. Such accounting policies and estimates require significant judgments and assumptions to be used in the preparation of the unaudited Condensed Consolidated Financial Statements and actual results could differ materially from the amounts reported based on variability in factors affecting these estimates.

Item 3. Quantitative and Qualitative Disclosures about Market Risk.

Market risk represents the risk of loss that may impact the financial position, results of operations or cash flows due to adverse changes in financial and commodity market prices and rates. We are exposed to market risk in the areas of changes in United States and foreign interest rates and changes in foreign currency exchange rates as measured against the United States dollar. These exposures are directly related to our normal operating and funding activities.

Interest Rate Risk

At March 31, 2017, there were $0.8 million outstanding borrowings on our line of credit with Wells Fargo. We had approximately $12.2 million of cash and cash equivalents at March 31, 2017, the majority of which was invested in liquid interest bearing accounts. We had no interest rate hedge transactions in place on March 31, 2017. We completed an interest rate risk sensitivity analysis based on the above and an assumed one-percentage point increase in interest rates would have an approximate $114 thousand negative impact on our pre-tax earnings based on our outstanding balances as of March 31, 2017.

Foreign Currency Risk

Our investment in foreign assets consists primarily of our investment in our Swiss subsidiary. Foreign currency risk may impact our results of operations. In cases where we purchase inventory in one currency and sell corresponding products in another, our gross margin percentage is typically at risk based on foreign currency exchange rates. In addition, in cases where we may be generating operating income in foreign currencies, the magnitude of such operating income when translated into U.S. dollars will be at risk based on foreign currency exchange rates. Our agreements with suppliers and customers vary significantly in regard to the existence and extent of currency adjustment and other currency risk sharing provisions. We had no foreign currency hedge transactions in place on March 31, 2017.

We have a wholly-owned subsidiary in Switzerland which uses the Swiss Franc as its functional currency. We purchase inventory in foreign currencies, primarily Euros, and sell corresponding products in U.S. dollars. We also sell products in foreign currencies, primarily Euros and Japanese Yen, where our inventory costs are largely in U.S. dollars. We also have entered into contracts for which payments are adjusted for changes in foreign currency rates, including the Chinese Yuan. Based on our results of operations for the twelve months ending March 31, 2017, currency holdings and currency-related prepaid accounts, accounts receivable and accounts payable (all of which, including currency holdings, we will refer to as "Currency Accounts") as of March 31, 2017 and the functional currency of the accounting entity where such Currency Accounts are held, the expected impact on our consolidated statements of income, if foreign

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currency exchange rates were to strengthen/weaken by 25% against the U.S. dollar, would be a resulting gain/loss in operating income of approximately $448 thousand and a currency loss/gain of $443 thousand, if all other currencies were to strengthen/weaken by 25% against the Swiss Franc, would be a resulting loss/gain in operating income of approximately $30 thousand and a currency gain/loss of $416 thousand, and if all other currencies were to strengthen/weaken by 25% against the Euro, would be a resulting loss/gain in operating income of approximately $386 thousand and a currency loss/gain of $851 thousand, and if all other currencies were to strengthen/weaken by 25% against the Yuan, the resulting loss/gain in operating income would be approximately $147 thousand, but no resulting currency loss/gain.

Item 4. Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our chief executive officer and our chief financial officer, evaluated the effectiveness of our disclosure controls and procedures, as defined by Rule 13a-15 of the Exchange Act, as of the period covered by this Quarterly Report on Form 10-Q. Based on this evaluation, our chief executive officer and chief financial officer have concluded that our disclosure controls and procedures were effective to provide reasonable assurance that information we are required to disclose in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time period specified in the SEC's rules and forms and that such information is accumulated and communicated to our management, including our chief executive officer and chief financial officer, as appropriate, to allow timely decisions regarding disclosure.

Changes in Internal Control over Financial Reporting

There was no change in our internal control over financial reporting that occurred during our last fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II. OTHER INFORMATION

Item 1.    Legal Proceedings.

From time to time, we may be involved in litigation related to claims arising out of our operations. On March 12, 2015, a complaint was filed against us by Shaun Fauley in the United States District Court Northern District of Illinois alleging our transmittal of unauthorized faxes in violation of the federal Telephone Consumer Protection Act of 1991, as amended by the Junk Fax Prevention Act of 2005, as a class action seeking stated damages of the greater of actual monetary loss or five hundred dollars per violation. We intend to defend the Company vigorously in this matter. As of March 31, 2017, we were not a party to any other legal proceedings that are expected, individually or in the aggregate, to have a material adverse effect on our business, financial condition or operating results. Information regarding reportable legal proceedings is contained in Note 11, Commitments and Contingencies, of the unaudited condensed consolidated financial statements in this Quarterly Report on Form 10-Q.

Item 1A. Risk Factors

Our future operating results may vary substantially from period to period due to a number of factors, many of which are beyond our control. The following discussion highlights some of these factors and the possible impact of these factors on future results of operations. The risks and uncertainties described below are not the only ones we face. Additional risks or uncertainties not presently known to us or that we deem to be currently immaterial also may impair our business operations. If any of the following factors actually

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occur, our business, financial condition or results of operations could be harmed. In that case, the price of our Public Common Stock could decline and investors in our Public Common Stock could experience losses on their investment.

We have significant related party transactions, including the planned purchase of the minority interest in Heska Imaging US, LLC via a put option which has been exercised.

Under the Amended and Restated Operating Agreement of Heska Imaging (the "Operating Agreement"), should Heska Imaging ("US Imaging") meet certain performance criteria, the unit holders who hold 45.4% of US Imaging that we do not own (the "Imaging Minority") had been granted a put option to sell us all of the Imaging Minority's position in US Imaging following the audit of our financial statements for 2016 or 2017. The required performance criteria was met and we consider notice given on March 3, 2017 that the put option is being exercised. We have 90 days from the receipt of notice to deliver payment (any applicable payment in aggregate to be defined as the "Put Payment") for the Imaging Minority’s position. We intend to deliver the Put Payment in cash and obtain the Imaging Minority’s position in US Imaging on May 31, 2017. Based on US Imaging’s 2016 financial performance, the Put Payment is to be for a value of $13.8 million if we deliver all cash. While we have the right to deliver up to 55% of the consideration in our Public Common Stock under certain circumstances, such stock is to be valued based on 90% of market value at the time of notice (the "Delivery Stock Value") and is limited to approximately 650 thousand shares in any case. If the Delivery Stock Value per share is less than the market value per share of our Public Common Stock at the time of the Acquisition, we do not have the right to deliver any Public Common Stock as consideration. While we have reported the Put Payment at $13.8 million for financial reporting purposes, which contemplates our delivery of 100% of the Put Payment consideration in cash, we reserve the right to deliver stock up to the contractually agreed upon limit if we are able to deliver any stock based on the Delivery Stock Value at the time of closing, as discussed above. If we are unable to deliver any stock for the Put Payment, it would likely put a strain on our financial position and require us to use our line of credit or raise additional capital and would likely limit our ability to pursue acquisitions and other strategic development activities. There is no guarantee that our line of credit will be available in all circumstances or that additional capital will be available if needed on reasonable terms, if at all.

Under the terms of the Operating Agreement, US Imaging is to be managed by a three-person board of managers, two of which are to be appointed by Heska Corporation and one of which is to be appointed by KevinS. Wilson, a founder of Heska Imaging who has also been Heska Corporation's Chief Executive Officer and President since March 31, 2014. The current board of managers consists of Mr. Wilson, Jason A. Napolitano, Heska Corporation's Chief Operating Officer, Chief Strategist and Secretary and Nancy Wisnewski, Ph.D., Heska Corporation's Executive Vice President, Diagnostic Operations & Product Development. Until the earlier of (1) our acquiring 100% of the units of US Imaging pursuant to the puts and/or calls discussed above or (2) the sixth anniversary of the Acquisition, US Imaging may only take the following actions, among others, by unanimous consent of the board of managers: (i) issue securities, (ii) incur, guarantee, prepay, refinance, renew, modify or extend debt, (iii) enter into material contracts, (iv) hire or terminate an officer or amend the terms of their employment, (v) make a distribution other than a tax or liquidation distribution, (vi) enter into a material acquisition or disposition arrangement or a merger, (vii) lease or acquire an interest in real property, (viii) convert or reorganize US Imaging, or (ix) amend its certificate of formation or the Operating Agreement. This unanimous consent provision may hinder our ability to optimize the value of our investment in US Imaging in certain circumstances. We made a distribution payment required under the Operating Agreement related to the profitability of US Imaging since January 1, 2013 (the "Distribution Payment") on April 3, 2017.

We negotiated at arm's length as part of the acquisition, an Amended and Restated Master License Agreement and a Supply Agreement between US Imaging and Cuattro, LLC. Mr. Wilson has an interest in

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these agreements and any time and resources devoted to monitoring and overseeing this relationship may prevent us from deploying such time and resources on more productive matters.

Mr. Wilson's employment agreement with us acknowledges that Mr. Wilson has business interests in Cuattro, LLC, Cuattro Software, LLC and Cuattro Medical, LLC which may require a portion of his time, resources and attention in his working hours. If Mr. Wilson is distracted by these or other business interests, he may not contribute as much as he otherwise would have to enhancing our business, to the detriment of our shareholder value. Mr. Wilson is the spouse of Shawna M. Wilson ("Mrs. Wilson"). Mr. Wilson, Mrs. Wilson and trusts for their children and family own a majority interest in Cuattro Medical, LLC. In addition, including shares held by Mrs. Wilson and by trusts for the benefit of Mr. and Mrs. Wilson's children and family, Mr. Wilson also owns a 100% interest in Cuattro, LLC, the largest supplier to Heska Imaging Global, LLC ("Global Imaging"), our wholly-owned subsidiary. Cuattro, LLC owns a 100% interest in Cuattro Software, LLC.

Cuattro, LLC charged Global Imaging $3.9 million during the three months ended March 31, 2017, primarily related to digital imaging products, for which there is an underlying supply contract with minimum purchase obligations, software and services as well as other operating expenses; Heska Corporation charged US Imaging $1.7 million during the three months ended March 31, 2017, primarily related to sales expenses; and Heska Corporation charged Cuattro, LLC $34 thousand during the three months ended March 31, 2017, primarily related to facility usage and other services.

At March 31, 2017, US Imaging had a $1.6 million note receivable, including accrued interest, from International Imaging, which is due on June 15, 2019 and which eliminates in consolidation of the Company's financial statements. This note was previously listed as "Note receivable – related party" on the Company's consolidated balance sheets and, as discussed above, the note receivable was assumed as part of the Company's acquisition of International Imaging. At March 31, 2017, Heska Corporation had accounts receivable from US Imaging of $7.6 million including accrued interest and $0.2 million accounts receivable from International Imaging, respectively which eliminates in consolidation of the Company's financial statements; Global Imaging, US Imaging and Heska Corporation had net prepaid receivables from Cuattro, LLC of $92 thousand, $12 thousand, $11 thousand, respectively, which is included in "Due from – related parties" on the Company's consolidated balance sheets; Global Imaging had net prepaid receivables from US Imaging of $0.7 million which eliminates in consolidation of the Company's financial statements; all monies owed accrue interest at the same interest rate Heska Corporation pays under its credit and security agreement with Wells Fargo Bank, National Association ("Wells Fargo") once past due with the exception of the note receivable, which accrues at this rate to its maturity date.

Mrs. Wilson, Clint Roth, DVM, Mr. Asakowicz, Mr. Lippincott, Mr. Wilson and Cuattro, LLC own approximately 29.75%, 8.39%, 4.09%, 3.07%, 0.05% and 0.05% of US Imaging, respectively, each are a member of US Imaging, and each have an interest in the Put Payment and Distribution Payment discussed above. If Mr. Wilson, Mr. Asakowicz or Mr. Lippincott is distracted by these holdings or interests, they may not contribute as much as they otherwise would have to enhancing our business, to the detriment of our shareholder value. While the Operating Agreement was negotiated at arm's length as part of the Acquisition, and requires that none of the members shall cause US Imaging to operate its business in any manner other than the ordinary course of business, any time and resources devoted to monitoring and overseeing this relationship may prevent us from deploying such time and resources on more productive matters.

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We may face costly legal disputes, including related to our intellectual property or technology or that of our suppliers or collaborators.

We may face legal disputes related to our business. For example, on March 12, 2015, a complaint was filed against us by Shaun Fauley in the United States District Court Northern District of Illinois alleging our transmittal of unauthorized faxes in violation of the federal Telephone Consumer Protection Act of 1991, as amended by the Junk Fax Prevention Act of 2005, as a class action seeking stated damages of the greater of actual monetary loss or five hundred dollars per violation. Even if meritless, these disputes may require significant expenditures on our part and could entail a significant distraction to members of our management team or other key employees. Insurance coverage may not cover any costs required to litigate a legal dispute or an unfavorable ruling or settlement. A legal dispute leading to an unfavorable ruling or settlement, whether or not insurance coverage may be available for any portion thereof, could have significant material adverse consequences on our business. We may have to use legal means and incur affiliated costs to secure the benefits to which we are entitled, such as to collect payment for goods shipped to third parties, which would reduce our income as compared to what it otherwise would have been.

We may become subject to patent infringement claims and litigation in the United States or other countries or interference proceedings conducted in the United States Patent and Trademark Office, or USPTO, to determine the priority of inventions. The defense and prosecution of intellectual property suits, USPTO interference proceedings and related legal and administrative proceedings are likely to be costly, time-consuming and distracting. As is typical in our industry, from time to time we and our collaborators and suppliers have received, and may in the future receive, notices from third parties claiming infringement and invitations to take licenses under third-party patents. Any legal action against us or our collaborators or suppliers may require us or our collaborators or suppliers to obtain one or more licenses in order to market or manufacture effected products or services. However, we or our collaborators or suppliers may not be able to obtain licenses for technology patented by others on commercially reasonable terms, or at all, or to develop alternative approaches to access or replace such technology if unable to obtain licenses or current and future licenses may not be adequate, any of which could substantially harm our business.

We may also need to pursue litigation to enforce any patents issued to us or our collaborative partners, to protect trade secrets or know-how owned by us or our collaborative partners, or to determine the enforceability, scope and validity of the proprietary rights of others. Any litigation or interference proceedings will likely result in substantial expense to us and significant diversion of the efforts of our technical and management personnel. Any adverse determination in litigation or interference proceedings could subject us to significant liabilities to third parties. Further, as a result of litigation or other proceedings, we may be required to seek licenses from third parties which may not be available on commercially reasonable terms, if at all.

If the third parties who have substantial marketing rights for certain of our historical products, existing products or future products under development are not successful in marketing those products, then our sales and financial position may suffer.

We are party to an agreement with Merck Animal Health, which grants Merck Animal Health exclusive distribution and marketing rights for our canine heartworm preventive product, TRI-HEART Plus Chewable Tablets, ultimately sold to or through veterinarians in the United States and Canada. Historically, a significant portion of our OVP segment's revenue has been generated from the sale of certain bovine vaccines, which have been sold primarily under the Titanium® and MasterGuard® brands. We have a supply agreement with Eli Lilly and its affiliates operating through Elanco for the production of these vaccines. Either of these marketing partners may not devote sufficient resources to marketing our products and our sales and financial position could suffer significantly as a result. Revenue from Merck & Co., Inc. ("Merck") entities, including Merck Animal Health, represented 11% of our LTM revenue. Revenue from Eli Lilly entities, including

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Elanco, represented 13% of our LTM revenue. If Merck Animal Health personnel fail to market, sell and support our heartworm preventive sufficiently or if Elanco personnel fail to market, sell and support the bovine vaccines we produce and sell to Elanco sufficiently, our sales could decline significantly. Furthermore, there may be nothing to prevent these partners from pursuing alternative technologies, products or supply arrangements, including as part of mergers, acquisitions or divestitures. For example, we believe a unit of Merck has obtained FDA approval for a canine heartworm preventive product with additional claims compared with our TRI-HEART Plus Chewable Tablets, but which we believe is not currently being marketed actively. Should Merck decide to emphasize sales and marketing efforts of this product rather than our TRI-HEART Plus Chewable Tablets or cancel our agreement regarding canine heartworm preventive distribution and marketing, our sales could decline significantly. In another example, if Elanco were to emphasize sales and marketing efforts for bovine vaccines other than those we produce or cancel our supply agreement and produce the vaccines we supply to it by itself, our sales could decline significantly. Third-party marketing assistance may not be available in the future on reasonable terms, if at all. If the third parties with marketing rights for our products were to merge or go out of business, the sale and promotion of our products could be diminished.

We rely substantially on third-party suppliers. The loss of products or delays in product availability from one or more third-party suppliers could substantially harm our business.

To be successful, we must contract for the supply of, or manufacture ourselves, current and future products of appropriate quantity, quality and cost. Such products must be available on a timely basis and be in compliance with any regulatory requirements. Similarly, we must provide ourselves, or contract for the supply of, certain services. Such services must be provided in a timely and appropriate manner. Failure to do any of the above could substantially harm our business.

We rely on third-party suppliers to manufacture those products we do not manufacture ourselves and to provide services we do not provide ourselves. Proprietary products provided by these suppliers represent a majority of our revenue. We currently rely on these suppliers for our blood testing instruments and consumable supplies for these instruments, for our imaging products and related software and services, for key components of our point-of-care diagnostic tests as well as for the manufacture of other products.

The loss of access to products from one or more suppliers could have a significant, negative impact on our business. Major suppliers who sell us proprietary products who are responsible for more than 5% of our LTM revenue are FUJIFILM Corporation and Cuattro, LLC. Neither of these suppliers sold us products which were responsible for more than 25% of our LTM revenue, although products purchased from one of these suppliers was responsible for more than 20% of our LTM revenue and products purchased from another was responsible for more than 15% of our LTM revenue. We often purchase products from our suppliers under agreements that are of limited duration or potentially can be terminated on an annual basis. In the caseof our blood testing instruments and our digital radiography solutions, post-termination, we are typically entitled to non-exclusive access to consumable supplies, or ongoing non-exclusive access to products and services to meet the needs of an existing customer base, respectively, for a defined period upon expiration of exclusive rights, which could subject us to competitive pressures in the period of non-exclusive access. Although we believe we will be able to maintain a supply of our major product and service offerings in the near future, there can be no assurance that our suppliers will meet their obligations under any agreements we may have in place with them or that we will be able to compel them to do so. Risks of relying on suppliers include:

• Inability to meet minimum obligations. Current agreements, or agreements we may negotiate in the future, may commit us to certain minimum purchase or other spending obligations. It is possible we will not be able to create the market demand to meet such obligations, which could create a drain on our financial resources and liquidity. Some such agreements may require

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minimum purchases and/or sales to maintain product rights and we may be significantly harmed if we are unable to meet such requirements and lose product rights.

• Loss of exclusivity. In the case of our blood testing instruments, if we are entitled to non-exclusive access to consumable supplies for a defined period upon expiration of exclusive rights, we may face increased competition from a third party with similar non-exclusive access or our former supplier, which could cause us to lose customers and/or significantly decrease our margins and could significantly affect our financial results. In addition, current agreements, or agreements we may negotiate in the future, with suppliers may require us to meet minimum annual sales levels to maintain our position as the exclusive distributor of these products. We may not meet these minimum sales levels and maintain exclusivity over the distribution and sale of these products. If we are not the exclusive distributor of these products, competition may increase significantly, reducing our revenues and/or decreasing our margins.

• Changes in economics. An underlying change in the economics with a supplier, such as a large price increase or new requirement of large minimum purchase amounts, could have a significant, adverse effect on our business, particularly if we are unable to identify and implement an alternative source of supply in a timely manner.

• The loss of product rights upon expiration or termination of an existing agreement. Unless we are able to find an alternate supply of a similar product, we would not be able to continue to offer our customers the same breadth of products and our sales and operating results would likely suffer. In the case of an instrument supplier, we could also potentially suffer the loss of sales of consumable supplies, which would be significant in cases where we have built a significant installed base, further harming our sales prospects and opportunities. Even if we were able to find an alternate supply for a product to which we lost rights, we would likely face increased competition from the product whose rights we lost being marketed by a third party or the former supplier and it may take us additional time and expense to gain the necessary approvals and launch an alternative product.

• High switching costs. In our blood testing instrument products, we could face significant competition and lose all or some of the consumable revenues from the installed base of those instruments if we were to switch to a competitive instrument. If we need to change to other commercial manufacturing contractors for certain of our regulated products, additional regulatory licenses or approvals generally must be obtained for these contractors prior to our use. This would require new testing and compliance inspections prior to sale, thus resulting in potential delays. Any new manufacturer would have to be educated in, or develop, substantially equivalent processes necessary for the production of our products. We likely would have to train our sales force, distribution network employees and customer support organization on the new product and spend significant funds marketing the new product to our customer base.

• The involuntary or voluntary discontinuation of a product line. Unless we are able to find an alternate supply of a similar product in this or similar circumstances with any product, we would not be able to continue to offer our customers the same breadth of products and our sales would likely suffer. Even if we are able to identify an alternate supply, it may take us additional time and expense to gain the necessary approvals and launch an alternative product, especially if the product is discontinued unexpectedly.

• Inconsistent or inadequate quality control. We may not be able to control or adequately monitor the quality of products we receive from our suppliers. Poor quality items could damage our reputation with our customers.

• Limited capacity or ability to scale capacity. If market demand for our products increases suddenly, our current suppliers might not be able to fulfill our commercial needs, which would

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require us to seek new manufacturing arrangements and may result in substantial delays in meeting market demand. If we consistently generate more demand for a product than a given supplier is capable of handling, it could lead to large backorders and potentially lost sales to competitive products that are readily available. This could require us to seek or fund new sources of supply, which may be difficult to find or may require terms that are less advantageous if available at all.

• Regulatory risk. Our manufacturing facility and those of some of our third-party suppliers are subject to ongoing periodic unannounced inspection by regulatory authorities, including the FDA, USDA and other federal, state and foreign agencies for compliance with strictly enforced Good Manufacturing Practices, regulations and similar foreign standards. We do not have control over our suppliers' compliance with these regulations and standards. Regulatory violations could potentially lead to interruptions in supply that could cause us to lose sales to readily available competitive products. If one of our suppliers is unable to provide a raw material or finished product due to regulatory issues, it could have a material adverse financial impact on our business and could expose us to legal action if we are unable to perform on contracts to our customers involving related products.

• Developmental delays. We may experience delays in the scale-up quantities needed for product development that could delay regulatory submissions and commercialization of our products in development, causing us to miss key opportunities.

• Limited geographic rights. We typically do not have global geographic rights to products supplied by third parties. If we were to determine a market opportunity in a geography where we did not have distribution rights and were unable to obtain such rights from the supplier, it might hamper our ability to succeed in such geography and our sales and profits would be lower than they otherwise would have been.

• Limited intellectual property rights. We typically do not have intellectual property rights, or may have to share intellectual property rights, to the products supplied by third parties and any improvements to the manufacturing processes or new manufacturing processes for these products.

Potential problems with suppliers such as those discussed above could substantially decrease sales, lead to higher costs and/or damage our reputation with our customers due to factors such as poor quality goods or delays in order fulfillment, resulting in our being unable to sell our products effectively and substantially harming our business.

The loss of significant customers who, for example, are historically large purchasers or who are considered leaders in their field could damage our business and financial results.

Revenue from Butler Animal Health Supply, LLC d/b/a Henry Schein Animal Health ("Henry Schein") represented approximately 13% and 14% of our consolidated revenue for the three months ended March 31, 2017 and 2016, respectively. Revenue from Merck entities, including Merck Animal Health, represented approximately 10% and 13% of our consolidated revenue for the three months ended March 31, 2017 and 2016, respectively. Revenue from Eli Lilly entities, including Elanco, represented approximately 11% and 10% of our consolidated revenue for the three months ended March 31, 2017 and 2016, respectively. No other customer accounted for more than 10% of our consolidated revenue for the three months ended March 31, 2017 or 2016.

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Henry Schein represented 12% and 16% of our consolidated accounts receivable at March 31, 2017 and December 31, 2016, respectively. Merck entities represented approximately 8% and 11% of our consolidated accounts receivable at March 31, 2017 and December 31, 2016 respectively. Eli Lilly entities, including Elanco, represented approximately 15% and 15% of our consolidated accounts receivable at March 31, 2017 and December 31, 2016, respectively. No other customer accounted for more than 10% of our consolidated accounts receivable at March 31, 2017 or December 31, 2016.

The loss of significant customers who, for example, are historically large purchasers or who are considered leaders in their field could damage our business, reputation, and financial results.

We operate in a highly competitive industry, which could render our products obsolete or substantially limit the volume of products that we sell. This would limit our ability to compete and maintain sustained profitability.

The market in which we compete is intensely competitive. Our competitors include independent animal health companies and major pharmaceutical companies that have animal health divisions. We also compete with independent, third-party distributors, including distributors who sell products under their own private labels. In the point-of-care diagnostic testing market, our major competitors include IDEXX Laboratories, Inc. ("IDEXX"), Abaxis Inc. ("Abaxis"), and Zoetis Inc. ("Zoetis"). The products manufactured by our OVP segment for sale by third parties compete with similar products offered by a number of other companies, some of which have substantially greater financial, technical, research and other resources than us and may have more established marketing, sales, distribution and service organizations than those of our OVP segment customers. Competitors may have facilities with similar capabilities to our OVP segment, which they may operate and sell at a lower unit price to customers than our OVP segment does, which could cause us to lose customers. Companies with a significant presence in the companion animal health market, such as Bayer AG, CEVA Santé Animale, Eli Lilly, Merck, Sanofi, Vétoquinol S.A. and Virbac S.A. may be marketing or developing products that compete with our products or would compete with them if developed. These and other competitors and potential competitors may have substantially greater financial, technical, research and other resources and larger, more established marketing, sales and service organizations than we do. For example, if Zoetis devotes its significant commercial and financial resources to growing its market share in the veterinary allergy market, our allergy-related sales could suffer significantly. Our competitors may offer broader product lines and have greater name recognition than we do. Our competitors may also develop or market technologies or products that are more effective or commercially attractive than our current or future products or that would render our technologies and products obsolete. Further, additional competition could come from new entrants to the animal health care market. Moreover, we may not have the financial resources, technical expertise or marketing, sales or support capabilities to compete successfully. One of our competitors, Abaxis, has announced agreements with units of VCA Inc. ("VCA") for the long-term supply of blood chemistry testing products to VCA-owned veterinary clinics and for the co-marketing of Abaxis' blood chemistry testing products with VCA's veterinary diagnostic laboratory offering, which may serve to intensify competition and lower our margins as well as limit our prospects to sell blood chemistry testing products to VCA-owned veterinary clinics.

If we fail to compete successfully, our ability to achieve sustained profitability will be limited and sustained profitability, or profitability at all, may not be possible.

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We depend on key personnel for our future success. If we lose our key personnel or are unable to attract and retain additional personnel, we may be unable to achieve our goals.

Our future success is substantially dependent on the efforts of our senior management and other key personnel, including our Chief Executive Officer and President, Kevin Wilson. The loss of the services of members of our senior management or other key personnel may significantly delay or prevent the achievement of our business objectives. Although we have employment agreements with many of these individuals, all are at-will employees, which means that either the employee or Heska may terminate employment at any time without prior notice. If we lose the services of, or fail to recruit, key personnel, the growth of our business could be substantially impaired. We do not maintain key person life insurance for any of our senior management or key personnel.

We may be unable to market and sell our products successfully.

We may not develop and maintain marketing and/or sales capabilities successfully, and we may not be able to make arrangements with third parties to perform these activities on satisfactory terms. If our marketing and sales strategy is unsuccessful, our ability to sell our products will be negatively impacted and our revenues will decrease. This could result in the loss of distribution rights for products or failure to gain access to new products and could cause damage to our reputation and adversely affect our business and future prospects.

The market for companion animal healthcare products is highly fragmented. Because our CCA proprietary products are generally available only to veterinarians or by prescription and our medical instruments require technical training to operate, we ultimately sell all our CCA products primarily to or through veterinarians. The acceptance of our products by veterinarians is critical to our success. Changes in our ability to obtain or maintain such acceptance or changes in veterinary medical practice could significantly decrease our anticipated sales. As the vast majority of cash flow to veterinarians ultimately is funded by pet owners without private insurance or government support, our business may be more susceptible to severe economic downturns than other health care businesses which rely less on individual consumers.

We have entered into agreements with independent third party distributors, including Henry Schein, which we anticipated to market and sell our products to a greater degree than in the recent past. Independent third-party distributors may be effective in increasing sales of our products to veterinarians, although we would expect a corresponding lower gross margin as such distributors typically buy products from us at a discount to end user prices.  It is possible new or existing independent third-party distributors could cannibalize our direct sales efforts and lower our total gross margin.  For us to be effective when working with an independent third-party distributor, the distributor must agree to market and/or sell our products and we must provide proper economic incentives to the distributor as well as contend effectively for the time, energy and focus of the employees of such distributor given other products the distributor may be carrying, potentially including those of our competitors.  If we fail to be effective with new or existing independent third-party distributors, our financial performance may suffer.

We have historically not consistently generated positive cash flow from operations, may need additional capital and any required capital may not be available on reasonable terms or at all.

We may be required to raise additional capital in the future. If necessary, we expect to raise these additional funds by borrowing under our revolving line of credit, the increased sale of customer leases, the sale of equity securities or the issuance of new term debt secured by the same category of assets as the term loans which we fully repaid in 2010. There is no guarantee that additional capital will be available from these sources on reasonable terms, if at all, and certain of these sources may require approval by existing lenders. Under our credit and security agreement with Wells Fargo, we are required to comply with various covenants,

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both financial and non-financial, in order to borrow under the agreement.  The availability of borrowings under this agreement is expected to be important to continue to fund our operations.  A key financial covenant is based on a fixed charge coverage ratio, as defined in the credit and security agreement with Wells Fargo. Although we believe we will be able to maintain compliance with all these covenants and any covenants we may negotiate in the future, there can be no assurance thereof.  We have not always been able to maintain compliance with all covenants under our credit and security agreement with Wells Fargo.  Although Wells Fargo has granted us a waiver of non-compliance in each case, there can be no assurance we will be able to obtain similar waivers or other modifications if needed in the future on economic terms, if at all. Failure to comply with any of the covenants, representations or warranties, or failure to modify them to allow future compliance, could result in our being in default and could cause all outstanding borrowings under our credit and security agreement to become immediately due and payable, or impact our ability to borrow under the agreement.  In addition, Wells Fargo has discretion in setting the advance rates which we may borrow against eligible assets. Accordingly, funds we expect to be available under our existing revolving line of credit may not be available and other lenders could refuse to provide us with additional debt financing. Financial institutions and other potentially interested parties may not be interested in purchasing our customer leases on economic terms, or at all. The public markets may be unreceptive to equity financings and we may not be able to obtain additional private equity or debt financing. Any equity financing would likely be dilutive to stockholders and additional debt financing, if available, may include restrictive covenants and increased interest rates that would limit our currently planned operations and strategies. Furthermore, even if additional capital is available, it may not be of the magnitude required to meet our needs under these or other scenarios. If additional funds are required and are not available, it would likely have a material adverse effect on our business, financial condition and our ability to continue as a going concern.

Our stock price has historically experienced high volatility, and could do so in the future, including experiencing a material price decline resulting from a large sale in a short period of time.

Should a relatively large shareholder decide to sell a large number of shares in a short period of time, it could lead to an excess supply of our shares available for sale and correspondingly result in a significant decline in our stock price.

The securities markets have experienced significant price and volume fluctuations and the market prices of securities of many small cap companies have in the past been, and can in the future be expected to be, especially volatile. During the twelve months ended March 31, 2017, the closing stock price of our Public Common Stock has ranged from a low of $27.05 to a high of $104.98. Fluctuations in the trading price or liquidity of our Public Common Stock may adversely affect our ability to raise capital through future equity financings. Factors that may have a significant impact on the market price and marketability of our Public Common Stock include:

• stock sales by large stockholders or by insiders;

• changes in the outlook for our business;

• our quarterly operating results, including as compared to expected revenue or earnings and in comparison to historical results;

• termination, cancellation or expiration of our third-party supplier relationships;

• announcements of technological innovations or new products by our competitors or by us;

• litigation;

• regulatory developments, including delays in product introductions;

• developments or disputes concerning patents or proprietary rights;

• availability of our revolving line of credit and compliance with debt covenants;

• releases of reports by securities analysts;

• economic and other external factors; and

• general market conditions.

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In the past, following periods of volatility in the market price of a company's securities, securities class action litigation has often been instituted. If a securities class action suit is filed against us, it is likely we would incur substantial legal fees and our management's attention and resources would be diverted from operating our business in order to respond to the litigation.

On May 4, 2010, our shareholders approved an amendment (the "Amendment") to our Restated Certificate of Incorporation. The Amendment places restrictions on the transfer of our stock that could adversely affect our ability to use our domestic Federal Net Operating Loss carryforward ("NOL"). In particular, the Amendment prevents the transfer of shares without the approval of our Board of Directors if, as a consequence, an individual, entity or groups of individuals or entities would become a 5-percent holder under Section 382 of the Internal Revenue Code of 1986, as amended, and the related Treasury regulations, and also prevents any existing 5-percent holder from increasing his or her ownership position in the Company without the approval of our Board of Directors. Any transfer of shares in violation of the Amendment (a "Transfer Violation") shall be void ab initio under the our Restated Certificate of Incorporation, as amended (our "Certificate of Incorporation") and our Board of Directors has procedures under our Certificate of Incorporation to remedy a Transfer Violation including requiring the shares causing such Transfer Violation to be sold and any profit resulting from such sale to be transferred to a charitable entity chosen by the Company's Board of Directors in specified circumstances. The Amendment could have an adverse impact on the value and trading liquidity of our stock if certain buyers who would otherwise have bid on or purchased our stock, including buyers who may not be comfortable owning stock with transfer restrictions, do not bid on or purchase our stock as a result of the Amendment. In addition, because some corporate takeovers occur through the acquirer's purchase, in the public market or otherwise, of sufficient shares to give it control of a company, any provision that restricts the transfer of shares can have the effect of preventing a takeover. The Amendment could discourage or otherwise prevent accumulations of substantial blocks of shares in which our stockholders might receive a substantial premium above market value and might tend to insulate management and the Board of Directors against the possibility of removal to a greater degree than had the Amendment not passed.

We intend to pursue acquisitions and other strategic development opportunities, which may not result as desired and could be detrimental to our financial position.

We intend to pursue acquisitions and other strategic development opportunities. The ultimate business and financial performance of these opportunities may not create, and may end up adversely affecting materially, the value we hope to enhance by pursuing them. Any acquisition may significantly underperform relative to our financial expectations and may serve to diminish rather than enhance shareholder value.

The success of any acquisition will depend on, among other things, our ability to integrate assets and personnel acquired in such a transaction and to apply our internal controls process to such an acquired business. The integration of acquisitions may require significant attention from our management, and the diversion of management's attention and resources could have a material adverse effect on our ability to manage our business. Furthermore, we may not realize the degree or timing of benefits we anticipated when we first entered into the transaction. If actual integration costs are higher than amounts originally anticipated, if we are unable to integrate the assets and personnel acquired in an acquisition as anticipated, or if we are unable to fully benefit from anticipated synergies, our business, financial condition, results of operations, and cash flows could be materially adversely affected. Furthermore, it is possible we will use management time and resources to pursue opportunities we ultimately are unable or decide not to consummate, in which case, we may not be able to utilize such management time and resources on what may have proved to be more productive matters in other areas of our business.

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Our future revenues depend on successful product development, commercialization and/or market acceptance, any of which can be slower than we expect or may not occur.

The product development and regulatory approval process for many of our potential products is extensive and may take substantially longer than we anticipate. Research projects may fail. New products that we may be developing for the veterinary marketplace may not perform consistently within our expectations. Because we have limited resources to devote to product development and commercialization, any delay in the development of one product or reallocation of resources to product development efforts that prove unsuccessful may delay or jeopardize the development of other product candidates. If we fail to successfully develop new products and bring them to market in a timely manner, our ability to generate additional revenue will decrease.

Even if we are successful in the development of a product or obtain rights to a product from a third-party supplier, we may experience delays or shortfalls in commercialization and/or market acceptance of the product. For example, veterinarians may be slow to adopt a product, a product may not achieve the anticipated technical performance in field use or there may be delays in producing large volumes of a product. The former is particularly likely where there is no comparable product available or historical precedent for such a product. The ultimate adoption of a new product by veterinarians, the rate of such adoption and the extent veterinarians choose to integrate such a product into their practice are all important factors in the economic success of any new products and are factors that we do not control to a large extent. If our products do not achieve a significant level of market acceptance, demand for our products will not develop as expected and our revenues will be lower than we anticipate.

Obtaining and maintaining regulatory approvals in order to market our products may be costly and delay the marketing and sales of our products. Failure to meet all regulatory requirements could cause significant losses from affected inventory and the loss of market share.

Many of the products we develop, market or manufacture may subject us to extensive regulation by one or more of the USDA, the FDA, the EPA and foreign and other regulatory authorities. These regulations govern, among other things, the development, testing, manufacturing, labeling, storage, pre-market approval, advertising, promotion and sale of some of our products. Satisfaction of these requirements can take several years and time needed to satisfy them may vary substantially, based on the type, complexity and novelty of the product. The decision by a regulatory authority to regulate a currently non-regulated product or product area could significantly impact our revenue and have a corresponding adverse impact on our financial performance and position while we attempt to comply with the new regulation, if such compliance is possible at all.

The effect of government regulation may be to delay or to prevent marketing of our products for a considerable period of time and to impose costly procedures upon our activities. We may not be able to estimate the time to obtain required regulatory approvals accurately and such approvals may require significantly more time than we anticipate. We have experienced in the past, and may experience in the future, difficulties that could delay or prevent us from obtaining the regulatory approval or license necessary to introduce or market our products. Such delays in approval may cause us to forego a significant portion of a new product's sales in its first year due to seasonality and advanced booking periods associated with certain products. Regulatory approval of our products may also impose limitations on the indicated or intended uses for which our products may be marketed.

Difficulties in making established products to all regulatory specifications may lead to significant losses related to affected inventory as well as market share. Among the conditions for certain regulatory approvals is the requirement that our facilities and/or the facilities of our third-party manufacturers conform to current Good Manufacturing Practices and other requirements. If any regulatory authority determines that our

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manufacturing facilities or those of our third-party manufacturers do not conform to appropriate manufacturing requirements, we or the manufacturers of our products may be subject to sanctions, including, but not limited to, warning letters, manufacturing suspensions, product recalls or seizures, injunctions, refusal to permit products to be imported into or exported out of the United States, refusals of regulatory authorities to grant approval or to allow us to enter into government supply contracts, withdrawals of previously approved marketing applications, civil fines and criminal prosecutions. Furthermore, third parties may perceive procedures required to obtain regulatory approval objectionable and may attempt to disrupt or otherwise damage our business as a result. In addition, certain of our agreements may require us to pay penalties if we are unable to supply products, including for failure to maintain regulatory approvals.

Any of these events, alone or in combination with others, could damage our business.

Many of our expenses are fixed and if factors beyond our control cause our revenue to fluctuate, this fluctuation could cause greater than expected losses, cash flow and liquidity shortfalls.

We believe that our future operating results will fluctuate on a quarterly basis due to a variety of factors which are generally beyond our control, including:

• supply of products from third-party suppliers or termination, cancellation or expiration of such relationships;

• competition and pricing pressures from competitive products;

• the introduction of new products or services by our competitors or by us;

• large customers failing to purchase at historical levels;

• fundamental shifts in market demand;

• manufacturing delays;

• shipment problems;

• information technology problems, which may prevent us from conducting our business effectively, or at all, and may also raise our costs;

• regulatory and other delays in product development;

• product recalls or other issues which may raise our costs;

• changes in our reputation and/or market acceptance of our current or new products; and

• changes in the mix of products sold.

We have high operating expenses, including those related to personnel. Many of these expenses are fixed in the short term and may increase over time. If any of the factors listed above cause our revenues to decline, our operating results could be substantially harmed.

We have less than 300 holders of record, which would allow us to terminate voluntarily the registration of our common stock with the SEC and after which we would no longer be eligible to maintain the listing of our Public Common Stock on the Nasdaq Capital Market. We may also be unable to otherwise maintain our listing on the Nasdaq Capital Market.

We have less than 300 holders of record as of our latest information, a fact which would make us eligible to terminate voluntarily the registration of our common stock with the SEC and therefore suspend our reporting obligations with the SEC under the Exchange Act and become a non-reporting company. If we were to cease reporting with the SEC, we would no longer be eligible to maintain the listing of our common stock on the Nasdaq Capital Market, which we would expect to materially adversely affect the liquidity and market price for our common stock. The Nasdaq Capital Market has several additional quantitative and qualitative requirements a company must comply with to maintain its listing. While we believe, we are currently in compliance with all Nasdaq requirements, there can be no assurance we will continue to meet Nasdaq listing requirements, that Nasdaq will interpret these requirements in the same manner we do if we believe we meet

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the requirements, or that Nasdaq will not change such requirements or add new requirements to include requirements we do not meet in the future.

If we are delisted from the Nasdaq Capital Market, our Public Common Stock may be considered a penny stock under the regulations of the SEC and would therefore be subject to rules that impose additional sales practice requirements on broker-dealers who sell our securities. The additional burdens imposed upon broker-dealers may discourage broker-dealers from effecting transactions in our Public Common Stock, which could severely limit market liquidity of the Public Common Stock and any stockholder's ability to sell our securities in the secondary market. This lack of liquidity would also likely make it more difficult for us to raise capital in the future.

We often depend on third parties for products we intend to introduce in the future. If our current relationships and collaborations are not successful, we may not be able to introduce the products we intend to introduce in the future.

We are often dependent on third parties and collaborative partners to successfully and timely perform research and development activities to successfully develop new products. We routinely discuss Heska marketing in the veterinary market instruments being developed by third parties for use in the human health care market. In the future, one or more of these third parties or collaborative partners may not complete research and development activities in a timely fashion, or at all. Even if these third parties are successful in their research and development activities, we may not be able to come to an economic agreement with them. If these third parties or collaborative partners fail to complete research and development activities or fail to complete them in a timely fashion, or if we are unable to negotiate economic agreements with such third parties or collaborative partners, our ability to introduce new products will be impacted negatively and our revenues may decline.

Interpretation of existing legislation, regulations and rules, including financial accounting standards, or implementation of future legislation, regulations and rules could cause our costs to increase or could harm us in other ways.

We prepare our financial statements in conformance with United States generally accepted accounting principles, or U.S. GAAP. These accounting principles are established by and are subject to interpretation by the SEC, the FASB and others who interpret and create accounting policies. A change in those policies can have a significant effect on our reported results and may affect our reporting of transactions completed before a change is made effective. Such changes may adversely affect our reported financial results and the way we conduct our business, or have a negative impact on us if we fail to track such changes.

If our regulators and/or auditors adopt or interpret more stringent standards than we anticipate, we could experience unanticipated changes in our reported financial statements, including but not limited to restatements, which could adversely affect our business due to litigation and investor confidence in our financial statements. In addition, changes in the underlying circumstances to which we apply given accounting standards and principles may affect our results of operations and have a negative impact on us. For example, we review goodwill recognized on our consolidated balance sheets at least annually and if we were to conclude there was an impairment of goodwill, we would reduce the corresponding goodwill to its estimated fair value and recognize a corresponding expense in our statement of operations. This impairment and corresponding expense could be as large as the total amount of goodwill recognized on our consolidated balance sheets, which was $26.7 million at March 31, 2017. There can be no assurance that future goodwill impairments will not occur if projected financial results are not met, or otherwise.

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We may not be able to continue to achieve sustained profitability or increase profitability on a quarterly or annual basis.

Prior to 2005, we incurred net losses on an annual basis since our inception in 1988 and, as of March 31, 2017, we had an accumulated deficit of $147.5 million. Relatively small differences in our performance metrics may cause us to generate an operating or net loss in future periods. Our ability to continue to be profitable in future periods will depend, in part, on our ability to increase sales in our CCA segment, including maintaining and growing our installed base of instruments and related consumables, to maintain or increase gross margins and to limit the increase in our operating expenses to a reasonable level as well as avoid or effectively manage any unanticipated issues. We may not be able to generate, sustain or increase profitability on a quarterly or annual basis. If we cannot achieve or sustain profitability for an extended period, we may not be able to fund our expected cash needs, including the repayment of debt as it comes due, or continue our operations.

We may face product returns and product liability litigation in excess of, or not covered by, our insurance coverage or indemnities and/or warranties from our suppliers. If we become subject to product liability claims resulting from defects in our products, we may fail to achieve market acceptance of our products and our sales could substantially decline.

The testing, manufacturing and marketing of our current products as well as those currently under development entail an inherent risk of product liability claims and associated adverse publicity. Following the introduction of a product, adverse side effects may be discovered. Adverse publicity regarding such effects could affect sales of our other products for an indeterminate time period. To date, we have not experienced any material product liability claims, but any claim arising in the future could substantially harm our business. Potential product liability claims may exceed the amount of our insurance coverage or may be excluded from coverage under the terms of the policy. We may not be able to continue to obtain adequate insurance at a reasonable cost, if at all. In the event that we are held liable for a claim against which we are not indemnified or for damages exceeding the $10 million limit of our insurance coverage or which results in significant adverse publicity against us, we may lose revenue, be required to make substantial payments which could exceed our financial capacity and/or lose or fail to achieve market acceptance.

We may be held liable for the release of hazardous materials, which could result in extensive remediation costs or otherwise harm our business.

Certain of our products and development programs produced at our Des Moines, Iowa facility involve the controlled use of hazardous and bio hazardous materials, including chemicals and infectious disease agents. Although we believe that our safety procedures for handling and disposing of such materials comply with the standards prescribed by applicable local, state and federal regulations, we cannot eliminate the risk of accidental contamination or injury from these materials. In the event of such an accident, we could be held liable for any fines, penalties, remediation costs or other damages that result. Our liability for the release of hazardous materials could exceed our resources, which could lead to a shutdown of our operations, significant remediation costs and potential legal liability. In addition, we may incur substantial costs to comply with environmental regulations if we choose to expand our manufacturing capacity.

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Item 2.        Unregistered Sales of Equity Securities and Use of Proceeds

The following table sets forth information about our purchases of our outstanding Public Common Stock during the quarter ended March 31, 2017:

Period	Total Number of Shares Purchased (1)	Average Price Paid per Share (1)		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plans or Programs
January 1 - January 31, 2017	—	$	—	—	—
February 1 - February 28, 2017	4,133	81.00		—	—
March 1 - March 31, 2017	—	—		—	—
Total	4,133	$	81.00	—	—

(1) Shares of Public Common Stock we purchased between January 1, 2017 and March 31, 2017 were solely for the cancellation of shares of restricted stock to pay withholding taxes.

Item 3.        Defaults Upon Senior Securities

None

Item 4.        Mine Safety Disclosures

Not applicable.

Item 5.        Other Information.

None.

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Item 6.        Exhibits.

Exhibit Number	Notes	Description of Document
3.1		Certificate of Amendment to the Restated Certificate of Incorporation, as amended, of Registrant.
31.1		Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended.
31.2		Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended.
32.1**		Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS		XBRL Instance Document.
101.SCH		XBRL Taxonomy Extension Schema Document.
101.CAL		XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF		XBRL Taxonomy Extension Definition Linkbase Document.
101.PRE		XBRL Taxonomy Extension Presentation Linkbase Document.
101.LAB		XBRL Taxonomy Extension Label Linkbase Document.

Notes
**	Furnished with this report.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized on May 4, 2017.

HESKA CORPORATION

By: /s/ KEVIN S. WILSON   

Kevin S. Wilson

Chief Executive Officer and President

By: /s/ JOHN MCMAHON

John McMahon

Vice President, Chief Financial Officer

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Exhibit Index

Exhibit Number	Notes	Description of Document
3.1		Certificate of Amendment to the Restated Certificate of Incorporation, as amended, of Registrant.
31.1		Certification of Chief Executive Officer Pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended.
31.2		Certification of Chief Financial Officer Pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended.
32.1**		Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS		XBRL Instance Document.
101.SCH		XBRL Taxonomy Extension Schema Document.
101.CAL		XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF		XBRL Taxonomy Extension Definition Linkbase Document.
101.PRE		XBRL Taxonomy Extension Presentation Linkbase Document.
101.LAB		XBRL Taxonomy Extension Label Linkbase Document.

Notes
**	Furnished with this report.

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EX-3.1

Exhibit 3.1

CERTIFICATE OF AMENDMENT

TO THE

RESTATED CERTIFICATE OF INCORPORATION, AS AMENDED,

OF

HESKA CORPORATION

Heska Corporation (the "Corporation"), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the "DGCL"), does hereby certify:

1. This Certificate of Amendment to the Corporation’s Restated Certificate of Incorporation, as amended (the "Certificate"), has been duly adopted in accordance with the provisions of Section 242 of the DGCL.

2. This Certificate of Amendment to the Certificate amends Article IV of the Certificate by deleting the existing Paragraph A of Article IV in its entirety and substituting therefore a new Paragraph A of Article IV, to read in its entirety as follows:

Authorized Stock. The total authorized stock of the Corporation, which shall be an aggregate of 22,500,000 shares, shall consist of three classes: (i) a first class consisting of 10,000,000 shares of Traditional Common Stock having a par value of $0.01 per share (the "Original Common Stock"); (ii) a second class consisting of 10,000,000 shares of Public Common Stock having a par value of $0.01 per share (the "Common Stock" or "NOL Restricted Common Stock" and, together with the Original Common Stock, the "Common Stock Securities"); and (iii) a third class consisting of 2,500,000 shares of Preferred Stock having a par value of $0.01 per share (the "Preferred Stock").

3. This Certificate of Amendment to the Certificate shall become effective at the time this Certificate of Amendment to the Certificate is filed with the Secretary of State of the State of Delaware.

IN WITNESS WHEREOF, the Corporation has caused this Certificate of Amendment to be executed by a duly authorized officer on this 1^st day of May, 2017.

Heska Corporation
By:	/s/ Jason A. Napolitano
Name:	Jason A. Napolitano
Title:	Chief Operating Officer, Chief Strategist and Secretary

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Kevin S. Wilson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Heska Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal controls over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; and

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Dated: May 4, 2017	/s/ Kevin S. Wilson
	KEVIN S. WILSON
	Chief Executive Officer and President
	(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, John McMahon, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Heska Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal controls over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; and

c. Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Dated: May 4, 2017	/s/ John McMahon
	JOHN MCMAHON
	Vice President, Chief Financial Officer
	(Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Kevin S. Wilson, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Heska Corporation on Form 10-Q for the quarter ended March 31, 2017 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Form 10-K fairly presents in all material respects the financial condition and results of operations of Heska Corporation.

Dated: May 4, 2017	By:	/s/ Kevin S. Wilson
	Name:	KEVIN S. WILSON
	Title:	Chief Executive Officer and President

I, John McMahon, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Heska Corporation on Form 10-Q for the quarter ended March 31, 2017 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Form 10-K fairly presents in all material respects the financial condition and results of operations of Heska Corporation.

Dated: May 4, 2017	By:	/s/ John McMahon
	Name:	JOHN MCMAHON
	Title:	Vice President, Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to Heska Corporation and will be retained by Heska Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

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Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2017	May 03, 2017
Document And Entity Information
Entity Registrant Name	Heska Corp
Entity Central Index Key	0001038133
Document Type	10-Q
Document Period End Date	Mar. 31, 2017
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2017
Entity Common Stock, Shares Outstanding		7,116,016

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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 12,183	$ 10,794
Accounts receivable, net of allowance for doubtful accounts of $275 and $237, respectively	14,197	20,857
Due from – related parties	115	100
Inventories, net	24,920	20,395
Other current assets	3,499	3,127
Total current assets	54,914	55,273
Property and equipment, net	16,358	16,581
Goodwill	26,663	26,647
Other intangible assets, net	2,249	2,346
Deferred tax asset, net	22,582	21,122
Other non-current assets	10,799	8,875
Total assets	133,565	130,844
Current liabilities:
Accounts payable	5,669	7,154
Accrued liabilities	6,259	6,469
Current portion of deferred revenue	3,489	3,439
Obligation to purchase minority interest	13,757	14,602
Line of credit and other short-term borrowings	819	750
Total current liabilities	29,993	32,414
Deferred revenue, net of current portion, and other	10,874	11,455
Total liabilities	40,867	43,869
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value, 2,500,000 shares authorized, none issued or outstanding	0	0
Traditional common stock, $.01 par value, 9,000,000 shares authorized, none issued or outstanding	0	0
Public common stock, $.01 par value, 9,000,000 shares authorized, 7,093,881 and 7,026,051 shares issued and outstanding, respectively	71	70
Additional paid-in capital	239,998	238,635
Accumulated other comprehensive income	153	97
Accumulated deficit	(147,524)	(151,827)
Total stockholders' equity	92,698	86,975
Total liabilities and stockholders' equity	$ 133,565	$ 130,844

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Allowance for doubtful accounts	$ 275	$ 237
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,500,000	2,500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01
Traditional Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	9,000,000	9,000,000
Common stock, shares issued	0	0
Common stock, shares outstanding	0	0
Public Common Stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	9,000,000	9,000,000
Common stock, shares issued	7,093,881	7,026,051
Common stock, shares outstanding	7,093,881	7,026,051

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CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue:
Core companion animal health	$ 24,607	$ 23,434
Other vaccines, pharmaceuticals and products	5,775	3,712
Total revenue, net	30,382	27,146
Cost of revenue	17,173	15,704
Gross profit	13,209	11,442
Operating expenses:
Selling and marketing	6,100	5,619
Research and development	530	575
General and administrative	3,791	3,278
Total operating expenses	10,421	9,472
Operating income	2,788	1,970
Interest and other income, net	(62)	(133)
Income before income taxes	2,850	2,103
Income tax expense (benefit):
Current income tax expense:	7	74
Deferred income tax expense (benefit)	(1,460)	582
Total income tax expense (benefit)	(1,453)	656
Net income	4,303	1,447
Net income (loss) attributable to non-controlling interest	(304)	261
Net income attributable to Heska Corporation	$ 4,607	$ 1,186
Earnings Per Share [Abstract]
Basic earnings per share attributable to Heska Corporation, in dollars per share	$ 0.66	$ 0.18
Diluted earnings per share attributable to Heska Corporation, in dollars per share	$ 0.61	$ 0.17
Weighted average outstanding shares used to compute basic earnings per share attributable to Heska Corporation	7,011	6,496
Weighted average outstanding shares used to compute diluted earnings per share attributable to Heska Corporation	7,594	7,164

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 4,303	$ 1,447
Other comprehensive income:
Sale of equity investment	0	(90)
Foreign currency translation	56	89
Comprehensive income	4,359	1,446
Comprehensive income (loss) attributable to non-controlling interest	(304)	261
Comprehensive income attributable to Heska Corporation	$ 4,663	$ 1,185

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,303	$ 1,447
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Depreciation and amortization	1,092	1,096
Deferred tax expense (benefit)	(1,460)	582
Stock based compensation	691	527
Unrealized benefit on foreign currency translation	(1)	(1)
Changes in operating assets and liabilities:
Accounts receivable	6,937	2,429
Inventories	(4,429)	(3,538)
Other current assets	(357)	323
Accounts payable	(1,486)	(1,683)
Accrued liabilities and other	(487)	1,229
Other non-current assets	(2,030)	(1,250)
Deferred revenue and other	(447)	(1,798)
Net cash provided by (used in) operating activities	2,326	(637)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale of equity investment	0	115
Purchases of property and equipment	(875)	(905)
Proceeds from disposition of property and equipment	0	95
Net cash used in investing activities	(875)	(695)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock, net of distributions	713	220
Re-purchase of equity instruments	(860)	(187)
Proceeds from line of credit borrowings	7,970	7,841
Re-payments to line of credit borrowings	(7,862)	(7,186)
Repayments of other debt	(64)	(128)
Net cash provided by (used in) financing activities	(103)	560
EFFECT OF EXCHANGE RATE CHANGES ON CASH	41	62
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,389	(710)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	10,794	6,890
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 12,183	$ 6,180

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BASIS OF PRESENTATION

3 Months Ended

Mar. 31, 2017

Accounting Policies [Abstract]

BASIS OF PRESENTATION

BASIS OF PRESENTATION

Heska Corporation and its wholly-owned and majority-owned subsidiaries ("Heska", the "Company", "we" or "our") sell advanced veterinary diagnostic and specialty products. Our offerings include blood testing instruments and supplies, digital imaging products, software and services, vaccines, local and cloud-based data services, allergy testing and immunotherapy, and single-use offerings such as in-clinic diagnostic tests and heartworm preventive products. Our core focus is on supporting veterinarians in the canine and feline healthcare space.

In the opinion of management, the accompanying unaudited Condensed Consolidated Financial Statements contain all adjustments, consisting of normal, recurring adjustments, necessary to present fairly the financial position of the Company at March 31, 2017, and the results of our operations and cash flows for the three months ended March 31, 2017 and 2016 .

The unaudited Condensed Consolidated Financial Statements included herein have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP") have been condensed or omitted pursuant to such rules and regulations. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and Notes thereto contained in our Annual Report on Form 10-K for the fiscal year ended December 31, 2016 and other financial information filed with the SEC.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Significant estimates are required when establishing the allowance for doubtful accounts and the provision for excess or obsolete inventory, in determining the period over which our obligations are fulfilled under agreements to license product rights and/or technology rights, evaluating long-lived and intangible assets for impairment, determining the allocation of purchase price under purchase accounting, estimating the expense associated with the granting of stock options, determining the value of the obligation to purchase the minority interest and in determining the need for, and the amount of, a valuation allowance on deferred tax assets.

Critical Accounting Policies

Our accounting policies are described in our audited Consolidated Financial Statements and Notes thereto contained in our Annual Report on Form 10-K for the year ended December 31, 2016.

Recent Accounting Pronouncements

In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)", which supersedes ASC 840, Leases, and creates a new topic, ASC 842, Leases. This update requires lessees to recognize a lease liability and a lease asset for all leases, including operating leases, with a term greater than 12 months on its balance sheet. The update also expands the required quantitative and qualitative disclosures surrounding leases. This update is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years, with early adoption permitted. This update will be applied using a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. We are currently evaluating the effect of this update on our consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)". Upon the effective date, the ASU replaces almost all existing revenue recognition guidance, including industry specific guidance, in U.S. GAAP. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date".  The amendments in this update deferred the effective date for implementation of ASU 2014-09 by one year and are now effective for annual and interim reporting periods beginning after December 15, 2017. The new standard permits two methods of adoption: retrospectively to each prior reporting period presented (full retrospective method), or retrospectively with the cumulative effect of initially applying the guidance recognized at the date of initial application (the modified retrospective method). We currently anticipate adopting the standard using the modified retrospective method. We are still in the process of completing our analysis on the impact this guidance will have on our consolidated financial statements and related disclosures.

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ACQUISITION AND RELATED PARTY ITEMS

3 Months Ended

Mar. 31, 2017

Business Combinations and Related Party Disclosures [Abstract]

ACQUISITION AND RELATED PARTY ITEMS

ACQUISITIONS AND RELATED PARTY ITEMS

Cuattro Veterinary, LLC

On May 31, 2016, the Company closed a transaction (the "Merger") to acquire Cuattro Veterinary, LLC ("Cuattro International") from Kevin S. Wilson, and all of the members of Cuattro International (the "Members"). Pursuant to the Merger, the Company issued 175,000 shares of the Company’s common stock, $.01 par value per share (the "Common Stock"), to the Members on the Closing Date, at an aggregate value equal to approximately $6.3 million based on the adjusted closing price per share of the Common Stock as reported on the Nasdaq Stock Market on the Merger closing date. These shares were issued to the Members in a private placement in reliance upon an exemption from the registration requirements of the Securities Act of 1933, as amended, pursuant to Section 4(a)(2) thereof and the safe harbor provided by Rule 506 of Regulation D promulgated thereunder. In addition, the Company assumed approximately $1.5 million in debt as part of the transaction.

Mr. Wilson is a founder of Cuattro International, Cuattro, LLC, Cuattro Software, LLC and Cuattro Medical, LLC. Mr. Wilson, Mrs. Wilson and trusts for the benefit of Mr. and Mrs. Wilson’s children and family own a 100% interest in Cuattro, LLC and a majority interest in Cuattro Medical, LLC. Cuattro, LLC owns a 100% interest in Cuattro Software, LLC and, prior to the Merger, owned a majority interest in Cuattro International.

The Company recorded assets acquired and assets assumed at their estimated fair values. Intangible assets were valued based on a report from an independent third party.

The following summarizes the aggregate consideration paid by the Company and the allocation of the purchase price (in thousands):

Common stock issued - 175,000 shares	$	6,347
Debt assumed	1,535
Total fair value of consideration transferred	$	7,882
Accounts receivable	$	222
Inventories	39
Due from Cuattro, LLC	963
Property and equipment	80
Other tangible assets	164
Deferred tax asset	56
Intangible assets	2,521
Goodwill	5,783
Accounts payable	(112		)
Deferred tax liability	(905		)
Other assumed liabilities	(929		)
Total fair value of consideration transferred	$	7,882

Intangible assets acquired, amortization method and estimated useful lives as of May 31, 2016 was as follows (dollars in thousands):

	Useful Life	Amortization Method	Fair Value
Customer relationships	6.67	Straight-line	$2,521

Cuattro International is a provider to international markets of digital radiography technologies for veterinarians. As a leading provider of advanced veterinary diagnostic and specialty products, we made the acquisition in an effort to combine Cuattro International's international reach with our domestic success in the imaging and blood testing markets in the United States. International markets represent a significant portion of worldwide veterinary revenues for which we intend to compete.

As of the closing date of the Merger, Cuattro International was renamed Heska Imaging International, LLC, and the Company's interest in both Heska Imaging International, LLC ("International Imaging") and Heska Imaging US, LLC ("US Imaging") was transferred to the Company's wholly-owned subsidiary, Heska Imaging Global, LLC ("Global Imaging").

Cuattro Veterinary USA, LLC

On February 24, 2013, the Company acquired a 54.6% interest in Cuattro Veterinary USA, LLC (the "Acquisition"), which was subsequently renamed Heska Imaging US, LLC. The remaining minority position (45.4%) in US Imaging was subject to purchase by Heska under performance-based puts and calls following the audit of our financial statements for 2016 and 2017. The required performance criteria were met in 2016, we were given notice on March 3, 2017 that the put option was being exercised and we have 90 days from receipt of that notice to deliver payment (any applicable payment in aggregate to be defined as the "Put Payment"). We intend to deliver the Put Payment in cash and obtain the Imaging Minority’s position in US Imaging on May 31, 2017. Based on US Imaging’s 2016 financial performance, the Put Payment is to be for a value of $13.8 million if we deliver all cash. While we have the right to deliver up to 55% of the consideration in our Public Common Stock under certain circumstances, such stock is to be valued based on 90% of market value at the time of notice (the "Delivery Stock Value") and is limited to approximately 650 thousand shares in any case. If the Delivery Stock Value per share is less than the market value per share of our Public Common Stock at the time of the Acquisition, we do not have the right to deliver any Public Common Stock as consideration. While we have reported the Put Payment at $13.8 million for financial reporting purposes, which contemplates our delivery of 100% of the Put Payment consideration in cash, we reserve the right to deliver stock up to the contractual agreed upon limit if we are able to deliver any stock based on the Delivery Stock Value at the time of closing, as discussed above. The estimated Put Payment value of $13.8 million is listed as "Obligation to purchase minority interest" on the Company's consolidated balance sheets as of March 31, 2017 and December 31, 2016.

Shawna M. Wilson, Clint Roth, DVM, Steven M. Asakowicz, Rodney A. Lippincott, Kevin S. Wilson and Cuattro, LLC own approximately 29.75%, 8.39%, 4.09%, 3.07%, 0.05% and 0.05% of US Imaging, respectively. Kevin S. Wilson is the Chief Executive Officer and President of the Company and the spouse of Shawna M. Wilson. Steven M. Asakowicz serves as Executive Vice President, Companion Animal Health Sales for the Company. Rodney A. Lippincott serves as Executive Vice President, Companion Animal Health Sales for the Company.

Related Party Activities

Cuattro, LLC charged Global Imaging $3.9 million during the three months ended March 31, 2017, primarily related to digital imaging products, for which there is an underlying supply contract with minimum purchase obligations, software and services as well as other operating expenses; Heska Corporation charged US Imaging $1.7 million during the three months ended March 31, 2017, primarily related to sales expenses; and Heska Corporation charged Cuattro, LLC $34 thousand during the three months ended March 31, 2017, primarily related to facility usage and other services.

At March 31, 2017, US Imaging had a $1.6 million note receivable, including accrued interest, from International Imaging, which is due on June 15, 2019 and which eliminates in consolidation of the Company's financial statements. This note was previously listed as "Note receivable – related party" on the Company's consolidated balance sheets and, as discussed above, the note receivable was assumed as part of the Company's acquisition of International Imaging. At March 31, 2017, Heska Corporation had accounts receivable from US Imaging of $7.6 million including accrued interest and $0.2 million from International Imaging, respectively which eliminates in consolidation of the Company's financial statements; Global Imaging, US Imaging and Heska Corporation had net prepaid receivables from Cuattro, LLC of $92 thousand, $12 thousand, $11 thousand, respectively, which is included in "Due from – related parties" on the Company's consolidated balance sheets; Global Imaging had net prepaid receivables from US Imaging of $0.7 million which eliminates in consolidation of the Company's financial statements; all monies owed accrue interest at the same interest rate Heska Corporation pays under its credit and security agreement with Wells Fargo Bank, National Association ("Wells Fargo") once past due with the exception of the note receivable, which accrues at this rate to its maturity date.

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INCOME TAXES

3 Months Ended

Mar. 31, 2017

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

Our total income tax expense (benefit) and the effective tax rate for our income before income taxes were as follows (in thousands):

	Three Months Ended March 31,
	2017			2016
Income before income taxes	$	2,850		$	2,103
Total income tax expense (benefit)	(1,453		)	656
Effective tax rate	(51.0		)%	31.2		%

We are subject to income taxes in the U.S. federal jurisdiction, and various foreign, state and local jurisdictions. Tax regulations within each jurisdiction are subject to the interpretation of the related tax laws and regulations and require significant judgment to apply. The rate in the three months ended March 31, 2017 benefited from stock-based compensation excess tax benefits of $2.5 million which are now recorded as income tax expense or benefit in accordance with our policy.

There were no cash payments for income taxes for the three months ended March 31, 2017 and there were $5 thousand cash paid for income taxes for the three month period ended March 31, 2016.

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EARNINGS PER SHARE

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

Basic earnings per share ("EPS") is computed by dividing net income attributable to Heska Corporation by the weighted-average number of common shares outstanding during the period. The computation of diluted EPS is similar to the computation of basic EPS except that the numerator is increased to exclude charges that would not have been incurred, and the denominator is increased to include the number of additional common shares that would have been outstanding (using the if-converted and treasury stock methods), if securities containing potentially dilutive common shares (stock options and restricted stock units but excluding options to purchase fractional shares resulting from the Company's December 2010 1-for-10 reverse stock split) had been converted to common shares, and if such assumed conversion is dilutive.

The following is a reconciliation of the weighted-average shares outstanding used in the calculation of basic and diluted earnings per share for the three months ended March 31, 2017 and 2016 (in thousands, except per share data):

	Three Months Ended March 31,
	2017		2016
Net income attributable to Heska Corporation	$	4,607	$	1,186
Basic weighted-average common shares outstanding	7,011		6,496
Assumed exercise of dilutive stock options and restricted stock units	583		668
Diluted weighted-average common shares outstanding	7,594		7,164
Basic earnings per share attributable to Heska Corporation	$	0.66	$	0.18
Diluted earnings per share attributable to Heska Corporation	$	0.61	$	0.17

The following stock options and restricted units were excluded from the computation of diluted earnings per share because they would have been anti-dilutive (in thousands):

	Three Months Ended March 31,
	2017	2016
Stock options	110	120

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GOODWILL AND OTHER INTANGIBLES

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

GOOWILL AND OTHER INTANGIBLES

GOODWILL AND OTHER INTANGIBLES

The following summarizes the change in goodwill during the three months ended March 31, 2017 (in thousands):

Carrying amount, December 31, 2016	$	26,647
Foreign currency adjustments	16
Carrying amount, March 31, 2017	$	26,663

Other intangibles consists of the following as of March 31, 2017 and December 31, 2016 (in thousands):

	March 31,			December 31,
	2017			2016
Gross carrying amount	$	2,622		$	2,622
Accumulated amortization	(373		)	(276		)
Net carrying amount	$	2,249		$	2,346

Amortization expense relating to other intangibles was as follows (in thousands):

	Three Months Ended March 31,
	2017		2016
Amortization expense	$	97	$	3

Estimated amortization expense related to intangibles for each of the five years from 2017 (remaining) through 2021 and thereafter is as follows (in thousands):

Year Ending December 31,
2017 (remaining)	291
2018	388
2019	388
2020	388
2021	384
Thereafter	410
	$	2,249

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PROPERTY AND EQUIPMENT

3 Months Ended

Mar. 31, 2017

Property, Plant and Equipment [Abstract]

PROPERTY AND EQUIPMENT

PROPERTY AND EQUIPMENT

Property and equipment, net consists of the following (in thousands):

	March 31,			December 31,
	2017			2016
Land	$	377		$	377
Building	2,868			2,868
Machinery and equipment	37,403			36,588
Leasehold and building improvements	7,794			7,662
Construction in progress	1,485			1,655
	49,927			49,150
Less accumulated depreciation	(33,569		)	(32,569		)
Total property and equipment, net	$	16,358		$	16,581

The Company has utilized marketing programs whereby its instruments in inventory may be placed in a customer's location on a rental basis. The cost of these instruments is transferred to machinery and equipment and depreciated, typically over a five to seven year period depending on the circumstance under which the instrument is placed with the customer. Total costs transferred from inventory were approximately $0.1 million and $1.8 million for the three months ended March 31, 2017 and the annual period ended December 31, 2016, respectively.

The Company has sold certain customer rental contracts and underlying assets to third parties under agreements that once the customer has met its obligations under the contract, ownership of the assets underlying the contract would be returned to the Company. The Company enters a debit to cash and a corresponding credit to deferred revenue at the time of these sales. Since the Company anticipates it will regain ownership of the assets underlying these sales, it reports these assets as part of property and equipment and depreciates these assets in accordance with its depreciation policies. The Company had $0.3 million of net property and equipment related to these transactions as of both March 31, 2017 and December 31, 2016, all related to the Company's 54.6%-owned subsidiary, US Imaging.

Depreciation expense for property and equipment was $1.0 million and $1.1 million for the three months ended March 31, 2017 and 2016, respectively.

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INVENTORIES

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

INVENTORIES

INVENTORIES

Inventories are stated at the lower of cost or net realizable value using the first-in, first-out method. Inventory we manufacture includes the cost of material, labor and overhead. If the cost of inventories exceeds estimated net realizable value, provisions are made to reduce the carrying value to estimated net realizable value.

Inventories, net consists of the following (in thousands):

	March 31,			December 31,
	2017			2016
Raw materials	$	12,646		$	10,807
Work in process	3,948			3,820
Finished goods	9,670			7,087
Allowance for excess or obsolete inventory	(1,344		)	(1,319		)
Total inventory, net	$	24,920		$	20,395

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ACCRUED LIABILITIES

3 Months Ended

Mar. 31, 2017

Payables and Accruals [Abstract]

ACCRUED LIABILITIES

ACCRUED LIABILITIES

Accrued liabilities consists of the following (in thousands):

	March 31, 2017		December 31, 2016
Accrued purchases	$	1,377	$	664
Accrued payroll and employee benefits	1,267		2,166
Accrued property taxes	367		748
Other	3,248		2,891
Total accrued liabilities	$	6,259	$	6,469

Other accrued liabilities consists of items that are individually less than 5% of total current liabilities.

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CAPITAL STOCK

3 Months Ended

Mar. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

CAPITAL STOCK

CAPITAL STOCK

Stock Option Plans

The fair value of each option grant was estimated on the date of grant using the Black-Scholes option- pricing model with the following weighted average assumptions for options granted in the three months ended March 31,2017 and 2016.

	Three Months Ended March 31,
	2017	2016
Risk-free interest rate	1.87%	1.45%
Expected lives	4.9 years	4.5 years
Expected volatility	40%	41%
Expected dividend yield	0%	0%

A summary of our stock option plans, excluding options to purchase fractional shares resulting from our December 2010 1-for-10 reverse stock split, is as follows:

	Three Months Ended March 31,				Year Ended December 31,
	2017				2016
	Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price
Outstanding at beginning of period	829,617		$	23.203	940,610		$	14.163
Granted at Market	300		$	81.000	129,855		$	67.706
Canceled	(30	)	$	6.230	(463	)	$	14.881
Exercised	(75,566	)	$	8.629	(240,385	)	$	11.886
Outstanding at end of period	754,321		$	24.687	829,617		$	23.203
Exercisable at end of period	491,797		$	13.882	532,703		$	12.140

The total estimated fair value of stock options granted during the three months ended March 31, 2017 and 2016 was computed to be approximately $9 thousand and $11 thousand, respectively. The amounts are amortized ratably over the vesting periods of the options. The weighted average estimated fair value of options granted during the three months ended March 31, 2017 and 2016 was computed to be approximately $30.20 and $10.93, respectively. The total intrinsic value of options exercised during the three months ended March 31, 2017 and 2016 was $6.3 million and $0.1 million, respectively. The cash proceeds from options exercised during the three months ended March 31, 2017 and 2016 was $0.6 million and $62 thousand, respectively.

The following table summarizes information about stock options outstanding and exercisable at March 31, 2017, excluding outstanding options to purchase an aggregate of 0.5 fractional shares resulting from our December 2010 1-for-10 reverse stock split with a weighted average remaining contractual life of 0.09 years, at an exercise price of $22.50. We intend to issue whole shares only from option exercises.

	Options Outstanding				Options Exercisable
Exercise Prices	Number of Options Outstanding at March 31, 2017	Weighted Average Remaining Contractual Life in Years	Weighted Average Exercise Price		Number of Options Exercisable at March 31, 2017	Weighted Average Exercise Price
$  4.40 - $  6.90	115,744	3.56	$	5.599	115,019	$	5.595
$  6.91 - $  8.34	158,542	6.58	$	7.451	127,207	$	7.471
$  8.35 - $18.13	190,798	6.50	$	13.142	147,027	$	11.752
$18.14 - $39.76	178,530	7.67	$	34.903	95,695	$	31.424
$39.77 - $81.00	110,707	9.75	$	72.748	6,849	$	72.713
$  4.40 - $81.00	754,321	6.82	$	24.687	491,797	$	13.882

As of March 31, 2017, there was approximately $4.0 million in total unrecognized compensation cost related to outstanding stock options. That cost is expected to be recognized over a weighted average period of 1.72 years, with all cost to be recognized by the end of February 2021, assuming all options vest according to the vesting schedules in place at March 31, 2017. As of March 31, 2017, the aggregate intrinsic value of outstanding options was approximately $60.6 million and the aggregate intrinsic value of exercisable options was approximately $44.8 million.

Employee Stock Purchase Plan (the "ESPP")

For the three months ended March 31,2017 and 2016, we issued 3,204 and 5,885 shares under the ESPP, respectively.

For the three months ended March 31, 2017 and 2016, we estimated the fair values of stock purchase rights granted under the ESPP using the Black-Scholes pricing model. The weighted average assumptions used for the periods presented were as follows:

	Three Months Ended March 31,
	2017	2016
Risk-free interest rate	0.64%	0.51%
Expected lives	1.2 years	1.2 years
Expected volatility	45%	41%
Expected dividend yield	0%	0%

For the three months ended March 31, 2017 and 2016, the weighted-average fair value of the purchase rights granted was $13.41 and $6.29 per share, respectively.

Restricted Stock Issuance

On March 26, 2014, we issued 110,000 shares to Mr. Wilson pursuant to an employment agreement between Mr. Wilson and the Company effective as of March 26, 2014 (the "Wilson Employment Agreement"). The shares were issued in four equal tranches and subject to time-based vesting and other provisions outlined in the Wilson Employment Agreement. As of March 26, 2017, all tranches have vested.

On March 17, 2015, the Company issued unvested shares to certain Executive Officers related to performance-based restricted stock grants (the "Performance Grants") and performance-based restricted stock grants related to the Company's 2015 Management Incentive Plan (the "2015 MIP Grants"). The Company issued 52,956 shares under the Performance Grants and 24,649 shares under 2015 MIP Grants. The Performance Grants have met the underlying performance condition based on the Company's 2015 financial performance and are to cliff vest on March 17, 2018, subject to other vesting provisions in the underlying restricted stock grant agreement. The 2015 MIP Grants were subject to the Company’s achievement of certain financial goals and other vesting provisions in the underlying restricted stock grant agreement. On March 2, 2016, the Company vested 14,364 shares related to the 2015 MIP Grant based on the respective performance criteria, including 4,788 shares withheld for tax, and canceled the remaining 10,285 shares.

On March 2, 2016, the Company issued 15,000 unvested shares to certain Executive Officers related to performance-based restricted stock grants as part of the Company’s 2016 Management Incentive Plan (the "2016 MIP Grants"). Of these, 14,629 vested (371 were forfeited) and 4,133 were withheld for tax. The 2016 MIP Grants vested during the three months ended March 31, 2017, subject to the Company’s achievement of certain financial goals and other vesting provisions in the underlying restricted stock grant agreement.

Restrictions on the transfer of Company stock

The Company's Restated Certificate of Incorporation, as amended (the "Certificate of Incorporation"), places restrictions (the "Transfer Restrictions") on the transfer of the Company's stock that could adversely affect the Company's ability to utilize its domestic Federal Net Operating Loss Position. In particular, the Transfer Restrictions prevent the transfer of shares without the approval of the Company's Board of Directors if, as a consequence of such transfer, an individual, entity or groups of individuals or entities would become a 5-percent holder under Section 382 of the Internal Revenue Code of 1986, as amended, and the related Treasury regulations, and also prevents any existing 5-percent holder from increasing his or her ownership position in the Company without the approval of the Company's Board of Directors. Any transfer of shares in violation of the Transfer Restrictions (a "Transfer Violation") shall be void ab initio under the Certificate of Incorporation, and the Company's Board of Directors has procedures under the Certificate of Incorporation to remedy a Transfer Violation including requiring the shares causing such Transfer Violation to be sold and any profit resulting from such sale to be transferred to a charitable entity chosen by the Company's Board of Directors in specified circumstances.

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ACCUMULATED OTHER COMPREHENSIVE INCOME

3 Months Ended

Mar. 31, 2017

Equity [Abstract]

ACCUMULATED OTHER COMPREHENSIVE INCOME

ACCUMULATED OTHER COMPREHENSIVE INCOME

Accumulated other comprehensive income consists of the following (in thousands):

	Minimum pension liability			Foreign currency translation		Total accumulated other comprehensive income
Balances at December 31, 2016	$	(501	)	$	598	$	97
Current period other comprehensive income (loss)	—			56		56
Balances at March 31, 2017	$	(501	)	$	654	$	153

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COMMITMENTS AND CONTINGENCIES

3 Months Ended

Mar. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

The Company holds certain rights to market and manufacture all products developed or created under certain research, development and licensing agreements with various entities. In connection with such agreements, the Company has agreed to pay the entities royalties on net product sales. In each of the three months ended March 31, 2017 and 2016, royalties of $0.1 million became payable under these agreements.

The Company has contracts with suppliers for unconditional annual minimum inventory purchases and milestone obligations to third parties the Company believes are likely to be triggered currently totaling approximately $0.6 million in 2017 and $0.3 million in 2018.

From time to time, the Company may be involved in litigation relating to claims arising out of its operations. On March 12, 2015, a complaint was filed against us by Shaun Fauley in the United States District Court Northern District of Illinois alleging our transmittal of unauthorized faxes in violation of the federal Telephone Consumer Protection Act of 1991, as amended by the Junk Fax Prevention Act of 2005, as a class action seeking stated damages of the greater of actual monetary loss or five hundred dollars per violation. We intend to defend ourselves vigorously in this matter. As of March 31, 2017, the Company was not a party to any other legal proceedings that were expected, individually or in the aggregate, to have a material adverse effect on our business, financial condition or operating results.

The Company's current terms and conditions of sale include a limited warranty that its products and services will conform to published specifications at the time of shipment and a more extensive warranty related to certain of its products. The Company also sells a renewal warranty for certain of its products. The typical remedy for breach of warranty is to correct or replace any defective product, and if not possible or practical, the Company will accept the return of the defective product and refund the amount paid. Historically, the Company has incurred minimal warranty costs. The Company's warranty reserve was $0.4 million at both March 31, 2017 and December 31, 2016.

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INTEREST AND OTHER INCOME, NET

3 Months Ended

Mar. 31, 2017

Other Income and Expenses [Abstract]

INTEREST AND OTHER INCOME, NET

INTEREST AND OTHER INCOME, NET

Interest and other income, net consisted of the following (in thousands):

	Three Months Ended March 31,
	2017			2016
Interest income	$	(38	)	$	(33	)
Interest expense	24			38
Other income, net	(48		)	(138		)
Total interest and other income, net	$	(62	)	$	(133	)

Cash paid for interest for the three months ended March 31, 2017 and 2016 was $15 thousand and $18 thousand, respectively.

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CREDIT FACILITY

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

CREDIT FACILITY

CREDIT FACILITY

At March 31, 2017, we had a $15.0 million asset-based revolving line of credit with Wells Fargo which has a maturity date of December 31, 2017 as part of our credit and security agreement with Wells Fargo. At March 31, 2017 and December 31, 2016, respectively, we had $0.8 million borrowings outstanding on this line of credit. Our ability to borrow under this line of credit varies based upon available cash, eligible accounts receivable and eligible inventory. Any interest on borrowings due is to be charged at a stated rate of three month LIBOR plus 2.25% and payable monthly. There is an annual minimum interest charge of $75 thousand under the agreement. We are required to comply with various financial and non-financial covenants, and we have made various representations and warranties under our agreement with Wells Fargo. A key financial covenant is based on a fixed charge coverage ratio, as defined in our agreement with Wells Fargo. We were in compliance with all financial covenants as of March 31, 2017 and our available borrowing capacity based upon eligible accounts receivable and eligible inventory under our revolving line of credit was approximately $9.7 million.

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SEGMENT REPORTING

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

SEGMENT REPORTING

SEGMENT REPORTING

The Company consists of two reportable segments, Core Companion Animal Health ("CCA") and Other Vaccines, Pharmaceuticals and Products ("OVP"). The CCA segment includes diagnostic instruments and supplies, as well as single use diagnostic and other tests, pharmaceuticals and vaccines, primarily for canine and feline use. The CCA segment also includes digital radiography and ultrasound products along with embedded software and support, data hosting and other services from US Imaging and International Imaging. These products are sold directly by the Company as well as through independent third-party distributors and through other distribution relationships. CCA segment products manufactured at the Des Moines, Iowa production facility included in the OVP segment's assets are transferred at cost and are not recorded as revenue for the OVP segment. The OVP segment includes private label vaccine and pharmaceutical production, primarily for cattle, but also for other animals including small mammals. All OVP products are sold by third parties under third-party labels.

Summarized financial information concerning the Company's reportable segments is shown in the following table (in thousands):

Three Months Ended March 31, 2017	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total revenue	$	24,607	$	5,775	$	30,382
Operating income	1,114		1,674		2,788
Income before income taxes	1,214		1,636		2,850
Capital purchases	444		431		875
Depreciation and amortization	845		247		1,092

Three Months Ended March 31, 2016	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total revenue	$	23,434	$	3,712	$	27,146
Operating income	1,758		212		1,970
Income before income taxes	1,808		295		2,103
Capital purchases	397		508		905
Depreciation and amortization	897		199		1,096

Revenue is attributed to individual countries based on customer location. Total revenue by principal geographic area was as follows (in thousands):

	Three Months Ended March 31,
	2017		2016
United States	$	27,721	$	25,650
Europe	912		553
Canada	522		365
Other International	1,227		578
Total	$	30,382	$	27,146

Asset information by reportable segment as of March 31, 2017 is as follows (in thousands):

	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total assets	$	112,684	$	20,881	$	133,565
Net assets	72,159		20,539		92,698

Asset information by reportable segment as of December 31, 2016 is as follows (in thousands):

	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total assets	$	110,995	$	19,849	$	130,844
Net assets	68,072		18,903		86,975

Total assets by principal geographic areas were as follows (in thousands):

	March 31,		December 31,
	2017		2016
United States	$	130,164	$	127,827
Europe	3,401		3,017
Total	$	133,565	$	130,844

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BASIS OF PRESENTATION (Policies)

3 Months Ended

Mar. 31, 2017

Accounting Policies [Abstract]

Basis of Presentation

Heska Corporation and its wholly-owned and majority-owned subsidiaries ("Heska", the "Company", "we" or "our") sell advanced veterinary diagnostic and specialty products. Our offerings include blood testing instruments and supplies, digital imaging products, software and services, vaccines, local and cloud-based data services, allergy testing and immunotherapy, and single-use offerings such as in-clinic diagnostic tests and heartworm preventive products. Our core focus is on supporting veterinarians in the canine and feline healthcare space.

In the opinion of management, the accompanying unaudited Condensed Consolidated Financial Statements contain all adjustments, consisting of normal, recurring adjustments, necessary to present fairly the financial position of the Company at March 31, 2017, and the results of our operations and cash flows for the three months ended March 31, 2017 and 2016 .

The unaudited Condensed Consolidated Financial Statements included herein have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP") have been condensed or omitted pursuant to such rules and regulations. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited Consolidated Financial Statements and Notes thereto contained in our Annual Report on Form 10-K for the fiscal year ended December 31, 2016 and other financial information filed with the SEC.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Significant estimates are required when establishing the allowance for doubtful accounts and the provision for excess or obsolete inventory, in determining the period over which our obligations are fulfilled under agreements to license product rights and/or technology rights, evaluating long-lived and intangible assets for impairment, determining the allocation of purchase price under purchase accounting, estimating the expense associated with the granting of stock options, determining the value of the obligation to purchase the minority interest and in determining the need for, and the amount of, a valuation allowance on deferred tax assets.

Recent Accounting Pronouncements

In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)", which supersedes ASC 840, Leases, and creates a new topic, ASC 842, Leases. This update requires lessees to recognize a lease liability and a lease asset for all leases, including operating leases, with a term greater than 12 months on its balance sheet. The update also expands the required quantitative and qualitative disclosures surrounding leases. This update is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years, with early adoption permitted. This update will be applied using a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. We are currently evaluating the effect of this update on our consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers (Topic 606)". Upon the effective date, the ASU replaces almost all existing revenue recognition guidance, including industry specific guidance, in U.S. GAAP. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date".  The amendments in this update deferred the effective date for implementation of ASU 2014-09 by one year and are now effective for annual and interim reporting periods beginning after December 15, 2017. The new standard permits two methods of adoption: retrospectively to each prior reporting period presented (full retrospective method), or retrospectively with the cumulative effect of initially applying the guidance recognized at the date of initial application (the modified retrospective method). We currently anticipate adopting the standard using the modified retrospective method. We are still in the process of completing our analysis on the impact this guidance will have on our consolidated financial statements and related disclosures.

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ACQUISITION AND RELATED PARTY ITEMS (Tables)

3 Months Ended

Mar. 31, 2017

Business Combinations and Related Party Disclosures [Abstract]

Schedule of purchase price allocation

The following summarizes the aggregate consideration paid by the Company and the allocation of the purchase price (in thousands):

Common stock issued - 175,000 shares	$	6,347
Debt assumed	1,535
Total fair value of consideration transferred	$	7,882
Accounts receivable	$	222
Inventories	39
Due from Cuattro, LLC	963
Property and equipment	80
Other tangible assets	164
Deferred tax asset	56
Intangible assets	2,521
Goodwill	5,783
Accounts payable	(112		)
Deferred tax liability	(905		)
Other assumed liabilities	(929		)
Total fair value of consideration transferred	$	7,882

Schedule of intangible assets acquired

Intangible assets acquired, amortization method and estimated useful lives as of May 31, 2016 was as follows (dollars in thousands):

	Useful Life	Amortization Method	Fair Value
Customer relationships	6.67	Straight-line	$2,521

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INCOME TAXES (Tables)

3 Months Ended

Mar. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of components of income tax expense

Our total income tax expense (benefit) and the effective tax rate for our income before income taxes were as follows (in thousands):

	Three Months Ended March 31,
	2017			2016
Income before income taxes	$	2,850		$	2,103
Total income tax expense (benefit)	(1,453		)	656
Effective tax rate	(51.0		)%	31.2		%

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EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Reconciliation of basic and diluted earnings per share

The following is a reconciliation of the weighted-average shares outstanding used in the calculation of basic and diluted earnings per share for the three months ended March 31, 2017 and 2016 (in thousands, except per share data):

	Three Months Ended March 31,
	2017		2016
Net income attributable to Heska Corporation	$	4,607	$	1,186
Basic weighted-average common shares outstanding	7,011		6,496
Assumed exercise of dilutive stock options and restricted stock units	583		668
Diluted weighted-average common shares outstanding	7,594		7,164
Basic earnings per share attributable to Heska Corporation	$	0.66	$	0.18
Diluted earnings per share attributable to Heska Corporation	$	0.61	$	0.17

Schedule of antidilutive securities excluded from computation of earnings per share

The following stock options and restricted units were excluded from the computation of diluted earnings per share because they would have been anti-dilutive (in thousands):

	Three Months Ended March 31,
	2017	2016
Stock options	110	120

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GOODWILL AND OTHER INTANGIBLES (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in goodwill

The following summarizes the change in goodwill during the three months ended March 31, 2017 (in thousands):

Carrying amount, December 31, 2016	$	26,647
Foreign currency adjustments	16
Carrying amount, March 31, 2017	$	26,663

Schedule of other intangible assets

Other intangibles consists of the following as of March 31, 2017 and December 31, 2016 (in thousands):

	March 31,			December 31,
	2017			2016
Gross carrying amount	$	2,622		$	2,622
Accumulated amortization	(373		)	(276		)
Net carrying amount	$	2,249		$	2,346

Schedule of amortization expense on intangible assets

Amortization expense relating to other intangibles was as follows (in thousands):

	Three Months Ended March 31,
	2017		2016
Amortization expense	$	97	$	3

Schedule of estimated future amortization expense

Estimated amortization expense related to intangibles for each of the five years from 2017 (remaining) through 2021 and thereafter is as follows (in thousands):

Year Ending December 31,
2017 (remaining)	291
2018	388
2019	388
2020	388
2021	384
Thereafter	410
	$	2,249

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PROPERTY AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of property and equipment

roperty and equipment, net consists of the following (in thousands):

	March 31,			December 31,
	2017			2016
Land	$	377		$	377
Building	2,868			2,868
Machinery and equipment	37,403			36,588
Leasehold and building improvements	7,794			7,662
Construction in progress	1,485			1,655
	49,927			49,150
Less accumulated depreciation	(33,569		)	(32,569		)
Total property and equipment, net	$	16,358		$	16,581

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INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Schedule of inventory

Inventories, net consists of the following (in thousands):

	March 31,			December 31,
	2017			2016
Raw materials	$	12,646		$	10,807
Work in process	3,948			3,820
Finished goods	9,670			7,087
Allowance for excess or obsolete inventory	(1,344		)	(1,319		)
Total inventory, net	$	24,920		$	20,395

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ACCRUED LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2017

Payables and Accruals [Abstract]

Schedule of accrued liabilities

Accrued liabilities consists of the following (in thousands):

	March 31, 2017		December 31, 2016
Accrued purchases	$	1,377	$	664
Accrued payroll and employee benefits	1,267		2,166
Accrued property taxes	367		748
Other	3,248		2,891
Total accrued liabilities	$	6,259	$	6,469

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CAPITAL STOCK (Tables)

3 Months Ended

Mar. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of weighted average valuation assumptions

The fair value of each option grant was estimated on the date of grant using the Black-Scholes option- pricing model with the following weighted average assumptions for options granted in the three months ended March 31,2017 and 2016.

	Three Months Ended March 31,
	2017	2016
Risk-free interest rate	1.87%	1.45%
Expected lives	4.9 years	4.5 years
Expected volatility	40%	41%
Expected dividend yield	0%	0%

Schedule of stock options plans

A summary of our stock option plans, excluding options to purchase fractional shares resulting from our December 2010 1-for-10 reverse stock split, is as follows:

	Three Months Ended March 31,				Year Ended December 31,
	2017				2016
	Options		Weighted Average Exercise Price		Options		Weighted Average Exercise Price
Outstanding at beginning of period	829,617		$	23.203	940,610		$	14.163
Granted at Market	300		$	81.000	129,855		$	67.706
Canceled	(30	)	$	6.230	(463	)	$	14.881
Exercised	(75,566	)	$	8.629	(240,385	)	$	11.886
Outstanding at end of period	754,321		$	24.687	829,617		$	23.203
Exercisable at end of period	491,797		$	13.882	532,703		$	12.140

Schedule of shares authorized under stock options plans by exercise price

The following table summarizes information about stock options outstanding and exercisable at March 31, 2017, excluding outstanding options to purchase an aggregate of 0.5 fractional shares resulting from our December 2010 1-for-10 reverse stock split with a weighted average remaining contractual life of 0.09 years, at an exercise price of $22.50. We intend to issue whole shares only from option exercises.

	Options Outstanding				Options Exercisable
Exercise Prices	Number of Options Outstanding at March 31, 2017	Weighted Average Remaining Contractual Life in Years	Weighted Average Exercise Price		Number of Options Exercisable at March 31, 2017	Weighted Average Exercise Price
$  4.40 - $  6.90	115,744	3.56	$	5.599	115,019	$	5.595
$  6.91 - $  8.34	158,542	6.58	$	7.451	127,207	$	7.471
$  8.35 - $18.13	190,798	6.50	$	13.142	147,027	$	11.752
$18.14 - $39.76	178,530	7.67	$	34.903	95,695	$	31.424
$39.77 - $81.00	110,707	9.75	$	72.748	6,849	$	72.713
$  4.40 - $81.00	754,321	6.82	$	24.687	491,797	$	13.882

Schedule of pricing models

The weighted average assumptions used for the periods presented were as follows:

	Three Months Ended March 31,
	2017	2016
Risk-free interest rate	0.64%	0.51%
Expected lives	1.2 years	1.2 years
Expected volatility	45%	41%
Expected dividend yield	0%	0%

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ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

3 Months Ended

Mar. 31, 2017

Equity [Abstract]

Schedule of accumulated other comprehensive income (loss)

Accumulated other comprehensive income consists of the following (in thousands):

	Minimum pension liability			Foreign currency translation		Total accumulated other comprehensive income
Balances at December 31, 2016	$	(501	)	$	598	$	97
Current period other comprehensive income (loss)	—			56		56
Balances at March 31, 2017	$	(501	)	$	654	$	153

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INTEREST AND OTHER INCOME, NET (Tables)

3 Months Ended

Mar. 31, 2017

Other Income and Expenses [Abstract]

Schedule of interest expense (income) and other income, net

Interest and other income, net consisted of the following (in thousands):

	Three Months Ended March 31,
	2017			2016
Interest income	$	(38	)	$	(33	)
Interest expense	24			38
Other income, net	(48		)	(138		)
Total interest and other income, net	$	(62	)	$	(133	)

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SEGMENT REPORTING (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Reconciliation of other significant reconciling items from segments to consolidated

Summarized financial information concerning the Company's reportable segments is shown in the following table (in thousands):

Three Months Ended March 31, 2017	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total revenue	$	24,607	$	5,775	$	30,382
Operating income	1,114		1,674		2,788
Income before income taxes	1,214		1,636		2,850
Capital purchases	444		431		875
Depreciation and amortization	845		247		1,092

Three Months Ended March 31, 2016	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total revenue	$	23,434	$	3,712	$	27,146
Operating income	1,758		212		1,970
Income before income taxes	1,808		295		2,103
Capital purchases	397		508		905
Depreciation and amortization	897		199		1,096

Schedule of revenue from external customers and long-lived assets, by geographical areas

Revenue is attributed to individual countries based on customer location. Total revenue by principal geographic area was as follows (in thousands):

	Three Months Ended March 31,
	2017		2016
United States	$	27,721	$	25,650
Europe	912		553
Canada	522		365
Other International	1,227		578
Total	$	30,382	$	27,146

Asset information by reportable segment as of March 31, 2017 is as follows (in thousands):

	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total assets	$	112,684	$	20,881	$	133,565
Net assets	72,159		20,539		92,698

Asset information by reportable segment as of December 31, 2016 is as follows (in thousands):

	Core Companion Animal Health		Other Vaccines, Pharmaceuticals and Products		Total
Total assets	$	110,995	$	19,849	$	130,844
Net assets	68,072		18,903		86,975

Total assets by principal geographic areas were as follows (in thousands):

	March 31,		December 31,
	2017		2016
United States	$	130,164	$	127,827
Europe	3,401		3,017
Total	$	133,565	$	130,844

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ACQUISITION AND RELATED PARTY ITEMS (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	May 31, 2016	Mar. 31, 2017	Dec. 31, 2016	Feb. 24, 2013
Business Acquisition [Line Items]
Common stock, par value (in dollars per share)		$ 0.01
Goodwill		$ 26,663	$ 26,647
Cuattro, LLC | Kevin S. Willson, Shawna M. Wilson And Trusts For Their Children And Family | Chief Executive Officer
Business Acquisition [Line Items]
General Partner Interest (as a percent)		100.00%
Cuattro Software, LLC | Kevin S. Willson, Shawna M. Wilson And Trusts For Their Children And Family | Chief Executive Officer
Business Acquisition [Line Items]
General Partner Interest (as a percent)		100.00%
Cuattro Veterinary USA, LLC
Business Acquisition [Line Items]
Shares issued as consideration	175,000
Liabilities assumed in debt as part of the transaction	$ 1,535
Common stock issued - 175,000 shares	6,347
Total fair value of consideration transferred	7,882
Accounts receivable	222
Inventories	39
Due from Cuattro, LLC	963
Property and equipment	80
Other tangible assets	164
Deferred tax asset	56
Intangible assets	2,521
Goodwill	5,783
Accounts payable	(112)
Deferred tax liability	(905)
Other assumed liabilities	(929)
Total fair value of consideration transferred	$ 7,882
Percentage of voting interest acquired		54.60%
Minority interest subject to purchase (as a percent)				45.40%
Cuattro Veterinary USA, LLC | Customer Relationships
Business Acquisition [Line Items]
Acquired intangible assets, useful life	6 years 7 months 31 days
Acquired intangible assets, fair value	$ 2,521
Heska Imaging
Business Acquisition [Line Items]
Shares issued as consideration, value	$ 6,300
Put option, cash valuation		$ 13,800
Put option, maximum valuation		$ 13,800
Maximum percent of consideration deliverable as equity instruments (as a percent)			55.00%
Put option, valuation, percent of market value			90.00%
Put option, maximum consideration deliverable as equity instruments			650,000

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ACQUISITION AND RELATED PARTY ITEMS - RELATED PARTY ITEMS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Due from – related parties	$ 115	$ 100
Heska Imaging
Related Party Transaction [Line Items]
Accounts Receivable, Related Parties, Noncurrent	7,600
International Imaging
Related Party Transaction [Line Items]
Due from – related parties	200
Affiliated Entity | Cuattro, LLC
Related Party Transaction [Line Items]
Related party - amount of transaction	$ 1,700
Heska Imaging | Clint Roth
Related Party Transaction [Line Items]
Ownership percentage	8.39%
Heska Imaging | Cuattro, LLC
Related Party Transaction [Line Items]
Due to – related party	$ 12
Heska Imaging | Cuattro Veterinary, LLC
Related Party Transaction [Line Items]
Note receivable – related party	$ 1,600
Heska Imaging | Immediate Family Member of Management or Principal Owner | Shawna M. Wilson
Related Party Transaction [Line Items]
Ownership percentage	29.75%
Heska Imaging | Executive Officer | Steven M. Asakowicz
Related Party Transaction [Line Items]
Ownership percentage	4.09%
Heska Imaging | Executive Officer | Rodney A. Lippincott
Related Party Transaction [Line Items]
Ownership percentage	3.07%
Heska Imaging | Chief Executive Officer | Kevin S. Wilson
Related Party Transaction [Line Items]
Ownership percentage	0.05%
Heska Imaging | Affiliated Entity | Cuattro, LLC
Related Party Transaction [Line Items]
Ownership percentage	0.05%
Related party - amount of transaction	$ 3,900
Global Imaging | Cuattro, LLC
Related Party Transaction [Line Items]
Due to – related party	92
Global Imaging | Heska Imaging
Related Party Transaction [Line Items]
Due from – related parties	700
Cuattro, LLC | Affiliated Entity
Related Party Transaction [Line Items]
Related party - amount of transaction	34
Heska Corporation | Cuattro, LLC
Related Party Transaction [Line Items]
Due to – related party	$ 11

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INCOME TAXES (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income before income taxes	$ 2,850,000	$ 2,103,000
Total income tax expense (benefit)	$ (1,453,000)	$ 656,000
Effective tax rate	(51.00%)	31.20%
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income	$ 4,303,000	$ 1,447,000
Cash paid for income taxes	0	$ 5,000
Accounting Standards Update 2016-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net income	$ 2,500,000

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EARNINGS PER SHARE (Details) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	3 Months Ended
	Dec. 31, 2010	Mar. 31, 2017 USD ($) $ / shares shares	Mar. 31, 2016 USD ($) $ / shares shares
Earnings Per Share [Abstract]
Reverse stock split conversion ratio	0.10
Net income attributable to Heska Corporation | $		$ 4,607	$ 1,186
Weighted average outstanding shares used to compute basic earnings per share attributable to Heska Corporation		7,011	6,496
Assumed exercise of dilutive stock options and restricted stock units		583	668
Diluted weighted-average common shares outstanding		7,594	7,164
Basic earnings per share attributable to Heska Corporation, in dollars per share | $ / shares		$ 0.66	$ 0.18
Diluted earnings per share attributable to Heska Corporation, in dollars per share | $ / shares		$ 0.61	$ 0.17
Stock Options And Restricted Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options and restricted units excluded from computation of earnings per share		110	120

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GOODWILL AND OTHER INTANGIBLES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Goodwill [Roll Forward]
Carrying amount, December 31, 2016	$ 26,647
Foreign currency adjustments	16
Carrying amount, March 31, 2017	26,663
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	2,622		$ 2,622
Accumulated amortization	(373)		(276)
Net carrying amount	2,249		2,346
Amortization expense	97	$ 3
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2017 (remaining)	291
2018	388
2019	388
2020	388
2021	384
Thereafter	410
Net carrying amount	$ 2,249		$ 2,346

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PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 49,927		$ 49,150
Less accumulated depreciation	(33,569)		(32,569)
Total property and equipment, net	16,358		16,581
Total costs transferred from inventory	100		1,800
Depreciation and amortization	1,000	$ 1,100
Heska Imaging
Property, Plant and Equipment [Line Items]
Total property and equipment, net	$ 300		300
Cuattro Veterinary USA, LLC
Property, Plant and Equipment [Line Items]
Percentage of voting interest acquired	54.60%
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 377		377
Building
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,868		2,868
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	37,403		36,588
Leasehold and building improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,794		7,662
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,485		$ 1,655
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Property plant and equipment, useful life	5 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Property plant and equipment, useful life	7 years

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INVENTORIES (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Raw materials	$ 12,646	$ 10,807
Work in process	3,948	3,820
Finished goods	9,670	7,087
Allowance for excess or obsolete inventory	(1,344)	(1,319)
Inventory, net	$ 24,920	$ 20,395

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ACCRUED LIABILITIES (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Accrued purchases	$ 1,377	$ 664
Accrued payroll and employee benefits	1,267	2,166
Accrued property taxes	367	748
Other	3,248	2,891
Total accrued liabilities	$ 6,259	$ 6,469

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CAPITAL STOCK - NARRATIVE (Details) $ / shares in Units, $ in Thousands				1 Months Ended	3 Months Ended
	Mar. 02, 2016 shares	Mar. 17, 2015 shares	Mar. 26, 2014 tranche shares	Dec. 31, 2010	Mar. 31, 2017 USD ($) $ / shares shares	Mar. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2016 shares	Dec. 31, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reverse stock split conversion ratio				0.10
Fair value of stock options granted during period | $					$ 9	$ 11
Weighted average grant date fair value | $ / shares					$ 30.20	$ 10.93
Intrinsic value of options exercised | $					$ 6,300	$ 100
Proceeds from stock options exercised | $					$ 600	$ 62
Weighted average purchase price of shares purchased | $ / shares					$ 13.41	$ 6.29
Stockholder ownership percentage, threshold for restrictions					5.00%
Excluded Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding					0.5
Weighted average remaining contractual life (in years)					1 month 1 day
Weighted average exercise price (in dollars per share) | $ / shares					$ 22.50
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised | $					$ 44,800
Options outstanding					754,321		829,617	940,610
Total unrecognized compensation expense related to outstanding stock options | $					$ 4,000
Period for recognition of unrecognized compensation expense					1 year 8 months 21 days
Intrinsic value of options outstanding | $					$ 60,600
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued during period					3,204	5,885
Restricted Stock | Kevin S. Wilson
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued during period			110,000
Number of tranches in share-based payment award | tranche			4
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued during period		52,956
Performance Shares | Management Incentive Plan (MIP) Grants 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued during period		24,649
Shares vested during period	14,364
Shares withheld for income tax expense	4,788
Performance shares canceled	10,285
Performance Shares | Management Incentive Plan (MIP) Grants 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued during period	15,000
Shares vested during period	14,629
Shares withheld for income tax expense	4,133
Performance shares canceled	371

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CAPITAL STOCK - OPTION ACTIVITY (Details) - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate (as a percent)	1.87%	1.45%
Expected lives (in years)	4 years 10 months 21 days	4 years 5 months 18 days
Expected volatility (as a percent)	40.00%	41.00%
Expected dividend rate (as a percent)	0.00%	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period	829,617	940,610	940,610
Granted at Market	300		129,855
Canceled	(30)		(463)
Exercised	(75,566)		(240,385)
Outstanding at end of period	754,321		829,617
Exercisable at end of period	491,797		532,703
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period (in dollars per share)	$ 23.203	$ 14.163	$ 14.163
Granted at Market (in dollars per share)	81.000		67.706
Cancelled (in dollars per share)	6.230		14.881
Exercised (in dollars per share)	8.629		11.886
Outstanding at ending of period (in dollars per share)	24.687		23.203
Exercisable at end of period (in dollars per share)	$ 13.882		$ 12.140
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate (as a percent)	0.64%	0.51%
Expected lives (in years)	1 year 2 months 18 days	1 year 2 months 18 days
Expected volatility (as a percent)	45.00%	41.00%
Expected dividend rate (as a percent)	0.00%	0.00%

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CAPITAL STOCK - EXERCISE PRICE (Details)	3 Months Ended
	Mar. 31, 2017 $ / shares shares
$ 4.40 - $ 6.90
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Options Outstanding at March 31, 2017 | shares	115,744
Weighted Average Remaining Contractual Life in Years	3 years 6 months 21 days
Weighted Average Exercise Price	$ 5.599
Number of Options Exercisable at March 31, 2017 | shares	115,019
Weighted Average Exercise Price	$ 5.595
Exercise price range, lower (in dollars per share)	4.40
Exercise price range, upper (in dollars per share)	$ 6.90
$ 6.91 - $ 8.34
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Options Outstanding at March 31, 2017 | shares	158,542
Weighted Average Remaining Contractual Life in Years	6 years 6 months 28 days
Weighted Average Exercise Price	$ 7.451
Number of Options Exercisable at March 31, 2017 | shares	127,207
Weighted Average Exercise Price	$ 7.471
Exercise price range, lower (in dollars per share)	6.91
Exercise price range, upper (in dollars per share)	$ 8.34
$ 8.35 - $18.13
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Options Outstanding at March 31, 2017 | shares	190,798
Weighted Average Remaining Contractual Life in Years	6 years 6 months 1 day
Weighted Average Exercise Price	$ 13.142
Number of Options Exercisable at March 31, 2017 | shares	147,027
Weighted Average Exercise Price	$ 11.752
Exercise price range, lower (in dollars per share)	8.35
Exercise price range, upper (in dollars per share)	$ 18.13
$18.14 - $39.76
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Options Outstanding at March 31, 2017 | shares	178,530
Weighted Average Remaining Contractual Life in Years	7 years 8 months 1 day
Weighted Average Exercise Price	$ 34.903
Number of Options Exercisable at March 31, 2017 | shares	95,695
Weighted Average Exercise Price	$ 31.424
Exercise price range, lower (in dollars per share)	18.14
Exercise price range, upper (in dollars per share)	$ 39.76
$39.77 - $81.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Options Outstanding at March 31, 2017 | shares	110,707
Weighted Average Remaining Contractual Life in Years	9 years 9 months 1 day
Weighted Average Exercise Price	$ 72.748
Number of Options Exercisable at March 31, 2017 | shares	6,849
Weighted Average Exercise Price	$ 72.713
Exercise price range, lower (in dollars per share)	39.77
Exercise price range, upper (in dollars per share)	$ 81.00
$ 4.40 - $81.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Options Outstanding at March 31, 2017 | shares	754,321
Weighted Average Remaining Contractual Life in Years	6 years 9 months 25 days
Weighted Average Exercise Price	$ 24.687
Number of Options Exercisable at March 31, 2017 | shares	491,797
Weighted Average Exercise Price	$ 13.882
Exercise price range, lower (in dollars per share)	4.40
Exercise price range, upper (in dollars per share)	$ 81.00

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ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Total accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 97
Current period other comprehensive income (loss)	56
Ending balance	153
Minimum pension liability
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(501)
Current period other comprehensive income (loss)	0
Ending balance	(501)
Foreign currency translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	598
Current period other comprehensive income (loss)	56
Ending balance	$ 654

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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]
Increase in royalties payable	$ 0.1	$ 0.1
Recorded Unconditional Purchase Obligation [Line Items]
Warranty reserve	0.4		$ 0.4
Inventories
Recorded Unconditional Purchase Obligation [Line Items]
Minimum inventory purchases in fiscal 2016	0.6
Minimum inventory purchases in fiscal 2017	$ 0.3

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INTEREST AND OTHER INCOME, NET (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Other Income and Expenses [Abstract]
Interest income	$ (38)	$ (33)
Interest expense	24	38
Other, net	(48)	(138)
Interest and other expense (income), net	(62)	(133)
Interest Paid	$ 15	$ 18

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CREDIT FACILITY (Details) - Line of Credit - Revolving Credit Facility - USD ($)	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 15,000,000
Long-term line of credit	800,000	$ 800,000
Minimum annual interest charge	75,000
Remaining borrowing capacity	$ 9,700,000
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%

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SEGMENT REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total revenue	$ 30,382	$ 27,146
Operating income	2,788	1,970
Income before income taxes	2,850	2,103
Capital expenditures	875	905
Depreciation and amortization	1,092	1,096
Assets	133,565		$ 130,844
Net Assets	92,698		86,975
United States
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total revenue	27,721	25,650
Assets	130,164		127,827
Canada
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total revenue	912	553
Assets	3,401		3,017
Europe
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total revenue	522	365
Other International
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total revenue	1,227	578
Operating Segments | Core Companion Animal Health
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total revenue	24,607	23,434
Operating income	1,114	1,758
Income before income taxes	1,214	1,808
Capital expenditures	444	397
Depreciation and amortization	845	897
Assets	112,684		110,995
Net Assets	72,159		68,072
Operating Segments | Other Vaccines, Pharmaceuticals and Products
Segment Reporting, Other Significant Reconciling Item [Line Items]
Total revenue	5,775	3,712
Operating income	1,674	212
Income before income taxes	1,636	295
Capital expenditures	431	508
Depreciation and amortization	247	$ 199
Assets	20,881		19,849
Net Assets	$ 20,539		$ 18,903

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SEGMENT REPORTING - NARRATIVE (Details)	3 Months Ended
	Mar. 31, 2017 segment
Segment Reporting [Abstract]
Number of reportable segments	2