10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the quarterly period ended June 30, 2021

☐ 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 0-16106

Clearfield, Inc.

(Exact name of Registrant as specified in its charter)

Minnesota	41-1347235
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

7050 Winnetka Avenue North, Suite 100, Brooklyn Park, Minnesota 55428

(Address of principal executive offices and zip code)

(763) 476-6866

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, $0.01 par value	CLFD	The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant (1) 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      ☐ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files).

☒ Yes      ☐ No

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 in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☐      Accelerated filer ☐      Non-accelerated filer ☒

Smaller reporting company ☒      Emerging growth company ☐

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. ☐

1

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

☐ Yes       ☒ No

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.

Class:	Outstanding as of July 12, 2021
Common stock, par value $.01	13,742,545

2

CLEARFIELD, INC.

FORM 10-Q

TABLE OF CONTENTS

PART I. FINANCIAL INFORMATION	4
ITEM 1. FINANCIAL STATEMENTS	4
ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	16
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	21
ITEM 4. CONTROLS AND PROCEDURES	21
PART II. OTHER INFORMATION	21
ITEM 1. LEGAL PROCEEDINGS	21
ITEM 1A. RISK FACTORS	21
ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	22
ITEM 3. DEFAULTS UPON SENIOR SECURITIES	22
ITEM 4. MINE SAFETY DISCLOSURES	22
ITEM 5. OTHER INFORMATION	22
ITEM 6. EXHIBITS	22
SIGNATURES	23

3

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

CLEARFIELD, INC.

CONDENSED BALANCE SHEETS

	(Unaudited) June 30, 2021		September 30, 2020
Assets
Current Assets
Cash and cash equivalents	$	21,305,392	$	16,449,636
Short-term investments		10,864,831		10,582,527
Accounts receivables, net		16,182,713		10,496,672
Inventories, net		20,979,139		14,408,538
Other current assets		652,320		585,436
Total current assets		69,984,395		52,522,809
Property, plant and equipment, net		4,925,245		4,952,819
Other Assets
Long-term investments		26,721,221		25,143,000
Goodwill		4,708,511		4,708,511
Intangible assets, net		4,765,194		4,986,216
Right of use lease assets		2,515,743		2,539,100
Deferred tax asset		178,118		178,118
Other		259,548		266,857
Total other assets		39,148,335		37,821,802
Total Assets	$	114,057,975	$	95,297,430
Liabilities and Shareholders’ Equity
Current Liabilities
Current portion of lease liability	$	901,063	$	665,584
Accounts payable		6,648,416		3,689,587
Accrued compensation		7,014,488		4,856,885
Accrued expenses		1,150,672		1,202,753
Total current liabilities		15,714,639		10,414,809
Other Liabilities
Long-term portion of lease liability		1,849,067		2,129,343
Total other liabilities		1,849,067		2,129,343
Total liabilities		17,563,706		12,544,152
Shareholders’ Equity
Preferred stock, $.01 par value; 500,000 shares; no shares issued or outstanding		-		-
Common stock, authorized 50,000,000, $.01 par value; 13,742,545 and 13,649,962 shares issued and outstanding as of June 30, 2021 and September 30, 2020		137,425		136,500
Additional paid-in capital		58,341,635		57,502,905
Retained earnings		38,015,209		25,113,873
Total shareholders’ equity		96,494,269		82,753,278
Total Liabilities and Shareholders’ Equity	$	114,057,975	$	95,297,430

SEE ACCOMPANYING NOTES TO CONDENSED FINANCIAL STATEMENTS

4

CLEARFIELD, INC.

CONDENSED STATEMENTS OF EARNINGS

UNAUDITED

	Three Months Ended				Nine Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Net sales	$	38,735,356	$	25,970,045	$	95,519,437	$	65,756,545
Cost of sales		21,597,574		15,179,875		54,070,830		39,087,407
Gross profit		17,137,782		10,790,170		41,448,607		26,669,138
Operating expenses
Selling, general and administrative		9,435,877		7,207,157		25,581,534		21,965,038
Income from operations		7,701,905		3,583,013		15,867,073		4,704,100
Interest income		121,208		174,555		378,263		615,523
Income before income taxes		7,823,113		3,757,568		16,245,336		5,319,623
Income tax expense		1,725,000		763,000		3,344,000		1,076,000
Net income	$	6,098,113	$	2,994,568	$	12,901,336	$	4,243,623
Net income per share Basic	$	0.44	$	0.22	$	0.94	$	0.31
Net income per share Diluted	$	0.44	$	0.22	$	0.94	$	0.31
Weighted average shares outstanding:
Basic		13,732,913		13,497,955		13,718,394		13,510,413
Diluted		13,812,510		13,497,955		13,762,897		13,547,124

SEE ACCOMPANYING NOTES TO FINANCIAL STATEMENTS

5

CLEARFIELD, INC.

CONDENSED STATEMENTS OF SHAREHOLDERS’ EQUITY

UNAUDITED

For the three months ended June 30, 2021
	Common Stock				Additional		Retained		Total share-
	Shares		Amount		paid-in capital		earnings		holders’ equity
Balance at March 31, 2021		13,732,806	$	137,328	$	57,794,061	$	31,917,096	$	89,848,485
Stock-based compensation expense		-		-		343,055		-		343,055
Issuance of common stock under employee stock purchase plan		9,739		97		204,519		-		204,616
Net income		-		-		-		6,098,113		6,098,113
Balance at June 30, 2021		13,742,545	$	137,425	$	58,341,635	$	38,015,209	$	96,494,269

For the three months ended June 30, 2020
	Common Stock				Additional		Retained		Total share-
	Shares		Amount		paid-in capital		earnings		holders’ equity
Balance at March 31, 2020		13,627,639	$	136,276	$	57,042,604	$	19,069,862	$	76,248,742
Stock-based compensation expense		-		-		213,361		-		213,361
Issuance of common stock under employee stock purchase plan		15,116		151		178,973		-		179,124
Exercise of stock options, net of shares exchanged for payment		4,250		43		8,343		-		8,386
Net income		-		-		-		2,994,568		2,994,568
Balance at June 30, 2020		13,647,005	$	136,470	$	57,443,281	$	22,064,430	$	79,644,181

SEE ACCOMPANYING NOTES TO CONDENSED FINANCIAL STATEMENTS

6

CLEARFIELD, INC.

CONDENSED STATEMENTS OF SHAREHOLDERS’ EQUITY

UNAUDITED

For the nine months ended June 30, 2021
	Common Stock						Additional			Retained		Total share-
	Shares			Amount			paid-in capital			earnings		holders’ equity
Balance as of September 30, 2020		13,649,962		$	136,500		$	57,502,905		$	25,113,873	$	82,753,278
Stock-based compensation expense		-			-			966,290			-		966,290
Restricted stock issuance, net		36,509			365			(365	)		-		-
Issuance of common stock under employee stock purchase plan		24,750			247			383,450			-		383,697
Exercise of stock options, net of shares exchanged for payment		33,543			336			(456,460	)		-		(456,124	)
Tax withholding related to vesting of restricted stock grants		(2,219	)		(23	)		(54,185	)		-		(54,208	)
Net income		-			-			-			12,901,336		12,901,336
Balance at June 30, 2021		13,742,545		$	137,425		$	58,341,635		$	38,015,209	$	96,494,269

For the nine months ended June 30, 2020
	Common Stock						Additional			Retained		Total share-
	Shares			Amount			paid-in capital			earnings		holders’ equity
Balance as of September 30, 2019		13,641,805		$	136,418		$	56,976,162		$	17,820,807	$	74,933,387
Repurchase of common stock		(41,796	)		(418	)		(428,236	)		-		(428,654	)
Stock-based compensation expense		-			-			541,884			-		541,884
Restricted stock issuance, net		9,580			96			(96	)		-		-
Issuance of common stock under employee stock purchase plan		30,223			302			348,474			-		348,776
Exercise of stock options, net of shares exchanged for payment		7,646			76			10,892			-		10,968
Tax withholding related to vesting of restricted stock grants		(453	)		(4	)		(5,799	)		-		(5,803	)
Net income		-			-			-			4,243,623		4,243,623
Balance at June 30, 2020		13,647,005		$	136,470		$	57,443,281		$	22,064,430	$	79,644,181

SEE ACCOMPANYING NOTES TO CONDENSED FINANCIAL STATEMENTS

7

CLEARFIELD, INC.

CONDENSED STATEMENTS OF CASH FLOWS

UNAUDITED

	Nine Months Ended June 30,
	2021			2020
Cash flows from operating activities
Net income	$	12,901,336		$	4,243,623
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization		1,725,509			1,824,517
Change in allowance for doubtful accounts		209,612			-
Amortization of discount on investments		(876	)		(64,327	)
Stock-based compensation		966,290			541,884
Changes in operating assets and liabilities:
Accounts receivable		(5,895,653	)		18,912
Inventories, net		(6,570,601	)		(5,868,972	)
Other assets		(261,371	)		190,796
Accounts payable and accrued expenses		5,042,911			1,553,798
Net cash provided by operating activities		8,117,157			2,440,231
Cash flows from investing activities
Purchases of property, plant and equipment and intangible assets		(1,275,117	)		(1,493,341	)
Purchases of investments		(11,903,649	)		(31,837,930	)
Proceeds from maturities of investments		10,044,000			30,163,000
Net cash used in investing activities		(3,134,766	)		(3,168,271	)
Cash flows from financing activities
Proceeds from issuance of common stock under employee stock purchase plan		383,697			348,776
Tax withholding and proceeds related to exercise of stock options		(456,124	)		10,968
Tax withholding related to vesting of restricted stock grants		(54,208	)		(5,803	)
Repurchase of common stock		-			(428,654	)
Net cash used in financing activities		(126,635	)		(74,713	)
Increase (Decrease) in cash and cash equivalents		4,855,756			(802,753	)
Cash and cash equivalents, beginning of period		16,449,636			10,081,721
Cash and cash equivalents, end of period		21,305,392			9,278,968
Supplemental disclosures for cash flow information
Cash paid during the year for income taxes	$	3,559,502		$	469,529
Non-cash financing activities
Cashless exercise of stock options	$	1,269,414		$	10,962

SEE ACCOMPANYING NOTES TO CONDENSED FINANCIAL STATEMENTS

8

NOTES TO CONDENSED FINANCIAL STATEMENTS

Note 1. Basis of Presentation

The accompanying (a) condensed balance sheet as of September 30, 2020, which has been derived from audited financial statements, and (b) unaudited interim condensed financial statements as of and for the three and nine months ended June 30, 2021 have been prepared by Clearfield, Inc. (the “Company”) in accordance with accounting principles generally accepted in the United States of America for interim financial information, pursuant to the rules and regulations of the Securities and Exchange Commission. Pursuant to these rules and regulations, certain financial information and footnote disclosures normally included in the financial statements have been condensed or omitted. However, in the opinion of management, the financial statements include all adjustments, consisting of normal recurring accruals, necessary for a fair presentation of the financial position, results of operations and cash flows of the interim periods presented. Operating results for the interim periods presented are not necessarily indicative of results to be expected for the full year or for any other interim period, due to variability in customer purchasing patterns and seasonal, operating and other factors. These condensed financial statements should be read in conjunction with the financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended September 30, 2020.

In preparation of the Company’s financial statements, management is required to make estimates and assumptions that affect reported amounts of assets and liabilities and related revenues and expenses during the reporting periods. As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates.

For the purposes of comparability, certain prior period amounts have been reclassified to conform to current period classification. There was no impact to prior period net income or shareholders’ equity.

New Accounting Pronouncements

In January 2017, the FASB issued ASU 2017-04, Intangibles-Goodwill, which offers amended guidance to simplify the accounting for goodwill impairment by removing Step 2 of the goodwill impairment test. A goodwill impairment will now be measured as the amount by which a reporting unit’s carrying value exceeds its fair value, limited to the amount of goodwill allocated to that reporting unit. This guidance is to be applied on a prospective basis effective for the Company’s interim and annual periods beginning after December 15, 2019. The new guidance is effective for the Company beginning in the first quarter of fiscal 2021. The adoption of ASU 2017-04 in the first quarter of fiscal 2021 did not have a material impact on the Company’s financial statements.

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments. In November 2018, the FASB issued update ASU 2018-19 that clarifies the scope of the standard in the amendments in ASU 2016-13. This guidance introduces a new model for recognizing credit losses on financial instruments based on an estimate of current expected credit losses. Financial instruments impacted include accounts receivable, trade receivables, other financial assets measured at amortized cost and other off-balance sheet credit exposures. The new guidance is effective for the Company beginning in the first quarter of fiscal 2023, with early adoption permitted. The Company is evaluating the impact of the adoption of ASU 2016-13 on its financial statements.

Note 2. Net Income Per Share

Basic net income per common share (“EPS”) is computed by dividing net income by the weighted average number of common shares outstanding for the reporting period. Diluted EPS equals net income divided by the sum of the weighted average number of shares of common stock outstanding plus all additional common stock equivalents, such as stock options, when dilutive.

9

 

The following is a reconciliation of the numerator and denominator of the net income per common share computations for the three and nine months ended June 30, 2021 and 2020:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
Net income	$	6,098,113	$	2,994,568	$	12,901,336	$	4,243,623
Weighted average common shares		13,732,913		13,497,955		13,718,394		13,510,413
Dilutive potential common shares		79,597		-		44,503		36,711
Weighted average dilutive common shares outstanding		13,812,510		13,497,955		13,762,897		13,547,124
Net income per common share:
Basic	$	0.44	$	0.22	$	0.94	$	0.31
Diluted	$	0.44	$	0.22	$	0.94	$	0.31

Note 3. Cash, Cash Equivalents, and Investments

The Company invests its excess cash in bank certificates of deposit (“CDs”) that are fully insured by the Federal Deposit Insurance Corporation (“FDIC”) as well as U.S. Treasury securities and money market accounts. CDs and US Treasuries with original maturities of more than three months are reported as held-to-maturity investments and are recorded at amortized cost, which approximates fair value due to the negligible risk of changes in value due to interest rates. The maturity dates of the Company’s investments as of June 30, 2021 and September 30, 2020 are as follows:

	June 30, 2021		September 30, 2020
Less than one year	$	10,864,831	$	10,582,527
1-5 years		26,721,221		25,143,000
Total	$	37,586,052	$	35,725,527

Note 4. Stock-Based Compensation

The Company recorded $343,055 and $966,290 of compensation expense related to current and past restricted stock grants, non-qualified stock options and the Company’s Employee Stock Purchase Plan (“ESPP”) for the three and nine months ended June 30, 2021, respectively. For the three months ended June 30, 2021, $328,710 of this expense is included in selling, general and administrative expense, and $14,345 is included in cost of sales.  For the nine months ended June 30, 2021, $923,256 of this expense is included in selling, general and administrative expense, and $43,034 is included in cost of sales. The Company recorded $213,361 and $541,884 of compensation expense related to current and past restricted stock grants, non-qualified stock options and the Company’s Employee Stock Purchase Plan (“ESPP”) for the three and nine months ended June 30, 2020, respectively.  For the three months ended June 30, 2020, $207,653 of this expense is included in selling, general and administrative expense, and $5,708 is included in cost of sales.  For the nine months ended June 30, 2020, $526,580 of this expense is included in selling, general and administrative expense, and $15,304 is included in cost of sales.   As of June 30, 2021, $2,866,298 of total unrecognized compensation expense related to non-vested restricted stock awards and stock options is expected to be recognized over a period of approximately 3.2 years.

Stock Options

The Company uses the Black-Scholes option pricing model to determine the fair value of options granted. During the nine months ended June 30, 2021, the Company granted employees non-qualified stock options to purchase an aggregate of 105,089 shares of common stock with a weighted average contractual term of five years, a weighted average three-year vesting term, and a weighted average exercise price of $23.74. During the nine months ended June 30, 2020, the Company granted employees non-qualified stock options to purchase an aggregate of 121,350 shares of common stock with a weighted average contractual term of 5.71 years, a weighted average 4.71 year vesting term, and an exercise price of $12.43.

10

 

The fair value of stock option awards during the nine months ended June 30, 2021 was estimated as of the grant date using the assumptions listed below:

	Nine months ended June 30, 2021
Dividend yield		0	%
Expected volatility		46.9	%
Risk-free interest rate		0.24	%
Expected life (years)		5
Vesting period (years)		3

The expected stock price volatility is based on the historical volatility of the Company’s stock for a period approximating the expected life. The expected life represents the period of time that options are expected to be outstanding after their grant date. The risk-free interest rate reflects the interest rate as of the grant date on zero-coupon U.S. governmental bonds with a remaining life similar to the expected option term.

Options are granted at fair market values determined on the date of grant and vesting normally occurs over a three to five-year period. Shares issued upon exercise of a stock option are issued from the Company’s authorized but unissued shares.

The following is a summary of stock option activity during the nine months ended June 30, 2021:

	Number of options			Weighted average exercise price
Outstanding as of September 30, 2020		337,100		$	12.48
Granted		105,089			23.74
Exercised		(101,800	)		12.47
Forfeited or Expired		(38,709	)		13.68
Outstanding as of June 30, 2021		301,680		$	16.25

The intrinsic value of an option is the amount by which the fair value of the underlying stock exceeds its exercise price. As of June 30, 2021, the weighted average remaining contractual term for all outstanding and exercisable stock options was 2.55 years and their aggregate intrinsic value was $1,292,691.

Restricted Stock

The Company’s 2007 Stock Compensation Plan permits its Compensation Committee to grant stock-based awards, including stock options and restricted stock, to key employees and non-employee directors. The Company has made restricted stock grants that vest over one to ten years.

During the nine months ended June 30, 2021, the Company granted non-employee directors elected at the Company’s 2021 Annual Meeting of Shareholders restricted stock awards totaling 2,120 shares of common stock, with a vesting term of approximately one year and a fair value of $32.41 per share. During the nine months ended June 30, 2021, the Company also granted employees restricted stock awards totaling 37,687 shares of common stock, with a vesting term of approximately three years and a fair value of $23.74 per share.

During the nine months ended June 30, 2020, the Company granted non-employee directors elected at the Company’s 2020 Annual Meeting of Shareholders restricted stock awards totaling 5,830 shares of common stock, with a vesting term of approximately one year and a fair value of $10.72 per share. The Company also granted 5,000 shares of restricted stock, with a vesting term of approximately one year and a fair value of $11.01 per share.

11

Restricted stock transactions during the nine months ended June 30, 2021 are summarized as follows:

	Number of shares			Weighted average grant date fair value
Unvested shares as of September 30, 2020		109,070		$	12.97
Granted		39,807			24.20
Vested		(12,230	)		11.08
Forfeited		(3,298	)		16.07
Unvested as of June 30, 2021		133,349		$	16.41

Employee Stock Purchase Plan

The Company’s ESPP allows participating employees to purchase shares of the Company’s common stock at a discount through payroll deductions. The ESPP is available to all employees subject to certain eligibility requirements. Terms of the ESPP provide that participating employees may purchase the Company’s common stock on a voluntary after-tax basis. Employees may purchase the Company’s common stock at a price that is no less than the lower of 85% of the fair market value of one share of common stock at the beginning or end of each stock purchase period or phase. The ESPP is carried out in six-month phases, with phases beginning on January 1 and July 1 of each calendar year. For the phases that ended on June 30, 2021 and December 31, 2020, employees purchased 9,739 and 15,011 shares at a price of $21.01 and $11.93 per share, respectively. After the employee purchase on June 30, 2021, 194,873 shares of common stock were available for future purchase under the ESPP.

Note 5. Revenue

Revenue Recognition

Net sales include products and shipping and handling charges. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products. All revenue is recognized when the Company satisfies its performance obligations under the contract. The Company recognizes revenue by transferring the promised products to the customer, with substantially all revenue recognized at the point in time the customer obtains control of the products. The Company recognizes revenue for shipping and handling charges at the time the products are delivered to or picked up by the customer. The majority of the Company’s contracts have a single performance obligation and are short term in nature. Sales taxes and value added taxes in foreign jurisdictions that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales.

Disaggregation of Revenue

The Company allocates sales from external customers to geographic areas based on the location to which the product is transported. Sales outside the United States are principally to countries in the Caribbean, Canada, Central and South America.

Revenues related to the following geographic areas were as follows for the three and nine months ended:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
United States	$	35,810,360	$	25,090,614	$	89,586,498	$	62,765,455
All other countries		2,924,996		879,431		5,932,939		2,991,090
Total Net Sales	$	38,735,356	$	25,970,045	$	95,519,437	$	65,756,545

The Company manufactures and sells a proprietary product line designed for the Broadband Service Provider marketplace. In addition, the Company’s Legacy business provides build-to-print services for original equipment manufacturers requiring copper and fiber cable assemblies built to their specification.

12

 

The percentages of our sales by markets were as follows for the three and nine months ended:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2021			2020			2021			2020
Broadband service providers		98	%		97	%		98	%		96	%
Legacy customers		2	%		3	%		2	%		4	%
Total Net Sales		100	%		100	%		100	%		100	%

Broadband Service Providers are made up of Community Broadband, which includes local and regional telecom companies, utilities, municipalities and alternative carriers, multiple system operators (“MSO’s, or Cable TV”), which are also referred to as Tier 2 and Tier 3 customers; National Carriers, which includes large national and global wireline and wireless providers also referred to as Tier 1’s; and International customers.

Accounts Receivable

Credit is extended based on the evaluation of a customer’s financial condition, and collateral is generally not required. Accounts that are outstanding longer than the contractual payment terms are considered past due. The Company writes off accounts receivable when they become uncollectible; payments subsequently received on such receivables are credited to the allowance for doubtful accounts. As of June 30, 2021 and September 30, 2020, the balance in the allowance for doubtful accounts was $79,473 and $289,085, respectively. The allowance for doubtful accounts decreased by the amount recovered during the three months ended March 31, 2021 on an account previously reserved.

See Note 7, “Major Customer Concentration” for further information regarding accounts receivable and net sales.

Note 6. Inventories

Inventories consist of the following as of:

	June 30, 2021			September 30, 2020
Raw materials	$	16,881,148		$	12,287,134
Work-in-process		2,866,264			1,033,021
Finished goods		2,373,251			2,048,514
Inventories, gross		22,120,663			15,368,669
Inventory reserve		(1,141,524	)		(960,131	)
Inventories, net	$	20,979,139		$	14,408,538

Note 7. Major Customer Concentration

For the three months ended June 30, 2021, Customers A and B comprised 18% and 12% of the Company’s net sales, respectively. For the nine months ended June 30, 2021, Customers A and B comprised 20% and 11% of the Company’s net sales, respectively. Both of these customers were distributors. For the three months ended June 30, 2020, Customer A comprised 20% and Customer B comprised 11% of the Company’s net sales. For the nine months ended June 30, 2020, Customers A and B comprised 20% and 11% of the Company’s net sales, respectively. Both of these customers are distributors. These major customers, like our other customers, purchase our products from time to time through purchase orders, and the Company does not have any agreements that obligate these major customers to purchase products from us in the future.

As of June 30, 2021, Customers A and B accounted for 13% and 14% of accounts receivable, respectively. Customer C accounted for 11% of accounts receivable. As of September 30, 2020, Customers A, B, and C accounted for 13%, 12%, and 0% of accounts receivable, respectively. Customers A and B are distributors and Customer C is a telecommunications service provider.

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Note 8. Goodwill and Intangibles

The Company analyzes its goodwill for impairment annually or at an interim period when events occur or changes in circumstances indicate potential impairment. The result of the analysis performed as of September 30, 2020 did not indicate an impairment of goodwill. During the nine months ended June 30, 2021, there were no triggering events that indicate potential impairment exists.

The Company capitalizes legal costs incurred to obtain patents. Once accepted by either the U.S. Patent Office or the equivalent office of a foreign country, these legal costs are amortized using the straight-line method over the remaining estimated lives, not exceeding 20 years. As of June 30, 2021, the Company has 28 patents granted and multiple pending applications both inside and outside the United States.

In addition, the Company has various finite lived intangible assets, most of which were acquired as a result of the acquisition of the active cabinet product line from Calix, Inc. during fiscal year 2018. The Company analyzes its intangible assets for impairment annually or at interim periods when events occur or changes in circumstances indicate potential impairment. The result of the analysis performed as of September 30, 2020 did not indicate an impairment of our intangible assets. During the nine months ended June 30, 2021, there were no triggering events that indicate potential impairment exists.

Note 9. Income Taxes

For the three and nine months ended June 30, 2021, the Company recorded income tax expense of $1,725,000 and $3,344,000, reflecting an effective tax rate of 22.1% and 20.6%, respectively. The differences between the effective tax rate and the statutory tax rate for the three and nine months ended June 30, 2021 were primarily related to excess tax benefits from non-qualified stock options exercised during the period, research and development credits, and foreign derived intangibles income deduction (FDII). For the three and nine months ended June 30, 2020, the Company recorded income tax expense of $763,000 and $1,076,000 reflecting an effective tax rate of 20.3% and 20.2%, respectively. The differences between the effective tax rate and the statutory tax rate were related to nondeductible meals and entertainment, nondeductible stock compensation, FDII, and research and development credits.

Deferred taxes recognize the impact of temporary differences between the amounts of the assets and liabilities recorded for financial statement purposes and these amounts measured in accordance with tax laws.  The Company’s realization of deferred tax temporary differences is contingent upon future taxable earnings.  The Company reviewed its deferred tax asset for expected utilization using a “more likely than not” criteria by assessing the available positive and negative factors surrounding its recoverability and determined that as of June 30, 2021 and September 30, 2020 a valuation allowance against the deferred tax assets is not required. The Company will continue to assess the need for a valuation allowance based on changes in assumptions of estimated future income and other factors in future periods. 

As of June 30, 2021, the Company does not have any unrecognized tax benefits. It is the Company’s practice to recognize interest and penalties accrued on any unrecognized tax benefits as a component of income tax expense. The Company does not expect any material changes in its unrecognized tax positions over the next 12 months.

Note 10. Leases

The Company leases an 85,000 square foot facility at 7050 Winnetka Avenue North, Brooklyn Park, Minnesota consisting of corporate offices, manufacturing and warehouse space.  The lease term is ten years and two months, ending on February 28, 2025.   Upon proper notice and payment of a termination fee of approximately $249,000, the Company has a one-time option to terminate the lease effective as of the last day of the eighth year of the term after the Company commenced paying base rent. The renewal and termination options have not been included within the lease term because it is not reasonably certain that the Company will exercise either option.

On October 9, 2020, the Company entered into an indirect lease arrangement for its existing 46,000 square foot manufacturing facility in Tijuana, Mexico. The Company had previously been leasing this facility on a month to month basis after its three-year lease expired on July 31, 2020. The new lease term is three years.  This lease contains an option to renew and rent payments that increase annually based on U.S. inflation for the preceding 12 months.

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On February 12, 2020, the Company entered into an indirect lease arrangement for an additional 52,000 square foot manufacturing facility in Tijuana, Mexico. The lease term is approximately 42 months and commenced on February 12, 2020. The lease contains options to renew for two additional consecutive periods of three years each.

         Right-of-use lease assets and lease liabilities are recognized as of the commencement date based on the present value of the remaining lease payments over the lease term which includes renewal periods the Company is reasonably certain to exercise. The Company’s leases do not contain any material residual value guarantees or material restrictive covenants. As of June 30, 2021, the Company does not have material lease commitments that have not commenced.

Operating lease expense included within cost of goods sold and selling, general and administrative expense was as follows for the three and nine months ended June 30, 2021:

	Three Months Ended June 30,				Nine Months Ended June 30,
Operating lease expense within:	2021		2020		2021		2020
Cost of sales	$	242, 178	$	247,897	$	747,573	$	652,399
Selling, general and administrative		51,275		54,345		162,008		166,109
Total lease expense	$	293,453	$	302,242	$	909,581	$	818,508

Future maturities of lease liabilities were as follows as of June 30, 2021:

FY2021	$	242,982
FY2022		986,844
FY2023		943,682
FY2024		516,725
FY2025		217,552
Thereafter		-
Total lease payments		2,907,785
Less: Interest		(157,655	)
Present value of lease liabilities	$	2,750,130

The weighted average term and weighted average discount rate for the Company’s leases as of June 30, 2021 were 3.09 years and 3.41%, respectively, compared to 4.21 years and 3.48%, respectively, as of June 30, 2020. For the three and nine months ended June 30, 2021, the operating cash outflows from the Company’s leases was $242,736 and $722,537, respectively, compared to $237,726 and $574,381, for the three and nine months ended June 30, 2020, respectively.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The statements contained in this Quarterly Report on Form 10-Q that are not purely historical are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements relate to future events and typically address the Company’s expected future business and financial performance. Words such as “plan,” “expect,” “aim,” “believe,” “project,” “target,” “anticipate,” “intend,” “estimate,” “will,” “should,” “could” and other words and terms of similar meaning, typically identify these forward-looking statements. Forward-looking statements are based on certain assumptions and expectations of future events and trends that are subject to risks and uncertainties. Actual results could differ from those projected in any forward-looking statements because of the factors identified in and incorporated by reference from Part I, Item 1A, “Risk Factors,” of our Annual Report on Form 10-K for the year ended September 30, 2020 and Part II, Item 1A. “Risk Factors” of this Quarterly Report on Form 10-Q, as well as in other filings we make with the Securities and Exchange Commission, which should be considered an integral part of Part I, Item 2, “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” All forward-looking statements included herein are made as the date of this Quarterly Report on Form 10-Q and we assume no obligation to update the forward-looking statements or to update the reasons why actual results could differ from those projected in the forward-looking statements.

The following discussion and analysis of the Company’s financial condition and results of operations as of and for the three and nine months ended June 30, 2021 and 2020 should be read in conjunction with the financial statements and related notes in Item 1 of this report and our Annual Report on Form 10-K for the year ended September 30, 2020.

OVERVIEW

General

Clearfield, Inc. (“Clearfield” or the “Company”) designs, manufactures, and distributes fiber optic management, protection and delivery products for communications networks. Our “fiber to the anywhere” platform serves the unique requirements of leading Broadband Service Providers in the United States (“U.S.”), which include Community Broadband, MSO’s, and National Carriers, while also serving the broadband needs of the International markets, primarily countries in the Caribbean, Canada, and Central and South America. These customers are collectively included in Broadband Service Providers. The Company also provides contract manufacturing services for its Legacy customers which include original equipment manufacturers (OEM) requiring copper and fiber cable assemblies built to their specifications.  

The Company has historically focused on the unserved or underserved rural communities that receive voice, video and data services from independent telephone companies. By aligning its in-house engineering and technical knowledge alongside its customers, the Company has been able to develop, customize and enhance products from design through production. Final build and assembly of the Company’s products is completed at Clearfield’s manufacturing facilities in Brooklyn Park, Minnesota, and Tijuana, Mexico, with manufacturing support from a network of domestic and global manufacturing partners. Clearfield specializes in producing these products on both a quick-turn and scheduled delivery basis. The Company deploys a hybrid sales model with some sales made directly to customers, some made through two-tier distribution (channel) partners, sales agents and manufacturing representatives, and sales through original equipment suppliers who private label their products.

Under U.S. federal and state guidance in response to the COVID-19 pandemic, Clearfield’s operations are classified as part of the Cybersecurity and Infrastructure Security Agency (“CISA”) critical infrastructure sector and similar categorization in Minnesota. In March 2020, we transitioned our corporate employees at our Brooklyn Park headquarters to remote work arrangements and they currently continue primarily working remote. In accordance with the Centers for Disease Control and Prevention (“CDC”) and World Health Organization (“WHO”) guidelines, we implemented and have continued health and safety measures for the production staff that remain onsite at our Brooklyn Park facility. We have maintained our manufacturing capacity in Brooklyn Park with these personnel at near historic levels. Similarly, we have implemented the recommended health and safety measures for the production staff that remains onsite at our Tijuana, Mexico manufacturing facilities. Throughout the COVID-19 pandemic, the Company has closely monitored the operations and staffing levels at its Brooklyn Park facility and its two manufacturing facilities in Tijuana, Mexico.

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Due to the risks to timely supply of materials to our facilities, we have taken multiple actions to ensure sufficient safety stock inventory levels at both our Minnesota and Mexico facilities. Additionally, we made the decision to maximize the availability of all product lines at all three of our plants by assuring that each location can manufacture across our broad product portfolio. These actions, combined with our historic practice of dual sourcing most of our components, has positioned us to meet our obligations to customers and to fulfill our order backlog. However, in the event of serious border restrictions or border delays, continuing or worsening component material shortages, supply chain transportation delays, or other serious disruption in our supply chain, we may experience diminished or temporarily suspended operations, longer lead times than typical for product deliveries, or temporarily suspended product deliveries, which would result in delayed or reduced revenue from the affected orders in production and higher operating costs. In addition, due to the unprecedented lead-times and challenges in the global supply chain, we are working with our customers to place longer lead-time purchase orders to ensure availability of components and materials from our supply chain. Based on current supply chain dynamics, lead times have stretched to 8 to 10 weeks for certain product categories. Over calendar 2021, the Company expects to work to normalize lead times to more historic levels of 4 to 6 weeks from receipt of purchase order.

RESULTS OF OPERATIONS

THREE MONTHS ENDED JUNE 30, 2021 VS. THREE MONTHS ENDED JUNE 30, 2020

Net sales for the third quarter of fiscal 2021 ended June 30, 2021 were $38,735,000, an increase of approximately 49% or $12,765,000, from net sales of $25,970,000 for the third quarter of fiscal 2020. Net sales to Broadband Service Providers were $38,098,000 in the third quarter of fiscal 2021 versus $25,293,000 in the same period of fiscal 2020. Among this group, the Company recorded $2,925,000 in International sales for the third quarter of fiscal 2021 versus $879,000 in the same period of fiscal 2020. Net sales to Legacy customers were $637,000 in the third quarter of fiscal 2021 versus $678,000 in the same period of fiscal 2020. The Company allocates sales from external customers to geographic areas based on the location to which the product is transported. Accordingly, International sales represented 8% and 3% of total net sales for the third quarter of fiscal 2021 and 2020, respectively.

The increase in net sales for the quarter ended June 30, 2021 of $12,765,000 compared to the quarter ended June 30, 2020 was driven primarily by increased sales to Community Broadband Service Providers, International and MSO customers of $10,631,000, $2,046,000, and $704,000, respectively. Offsetting this was decreased sales to Tier 1 customers of $564,000. Net sales to Legacy customers remained relatively consistent over this period. The increase to Community Broadband and MSO customers was due to continuing increased demand for fiber connectivity products in response to COVID-19 driven by customers accelerating their purchasing decisions and deployment schedules of our fiber optic solutions and the need for high-speed broadband required in the work from anywhere environment. The increase in International sales is a result of an increase in demand as purchases in the prior year were negatively affected by COVID-19. The decrease in sales to Tier 1 customers is due to a reduction in capital spending in the consumer markets for fiber to the home at one of our Tier 1 customers resulting in a slower pace of their spend with us. In addition, the global pandemic has stalled the introduction and training of our new technologies into the Tier 1 market.

Revenue from customers is obtained from purchase orders submitted from time to time, with a limited number of customers recently issuing purchase orders for longer time frames. Accordingly, the Company’s ability to predict orders in future periods or trends affecting orders in future periods is limited. The Company’s ability to predict revenue has become further limited by potential disruption to its supply chains or changes in customer ordering patterns due to COVID-19, global supply chain issues and the impact of government programs. The Company’s ability to recognize revenue in the future for customer orders will depend on the Company’s ability to manufacture and deliver products to the customers and fulfill its other contractual obligations.

Cost of sales for the third quarter of fiscal 2021 was $21,598,000, an increase of $6,418,000, or 42%, from $15,180,000 in the comparable period of fiscal 2020. Gross profit percent was 44.2% of net sales in the third quarter of fiscal 2021, an increase from 41.5% of net sales for the third quarter of fiscal 2020. Gross profit increased $6,348,000 or 59%, to $17,138,000 for the three months ended June 30, 2021 from $10,790,000 in the comparable period in fiscal 2020. The increase in gross profit in the third quarter of fiscal 2021 was due to increased volume of net sales described above while the increase in gross profit percent was primarily due to a favorable product mix and cost reduction efforts across the Company’s product lines, including greater use of its Mexico manufacturing plants and efficiencies realized from higher sales volumes.

Selling, general and administrative expenses increased $2,229,000 or 31%, to $9,436,000 in the third quarter fiscal 2021 from $7,207,000 for the fiscal 2020 third quarter.  The increase in expense in the third quarter of fiscal 2021 consists primarily of increases of $1,666,000 in compensation expense due to additional headcount and increased wages and performance compensation accruals driven by higher net sales, increased  travel and entertainment expenses of $181,000 due to fewer COVID-19 travel restrictions, and increased stock compensation expense of $121,000, offset by decreased development costs of $173,000.

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Income from operations for the quarter ended June 30, 2021 was $7,702,000 compared to $3,583,000 for the comparable quarter of fiscal 2020, an increase of approximately 115%. This increase is attributable to increased gross profit driven by higher sales in the Company’s Community Broadband market, offset by higher selling, general and administrative expenses.

Interest income for the quarter ended June 30, 2021 was $121,000 compared to $175,000 for the comparable quarter for fiscal 2020.  The decrease is due to lower interest rates earned on investments in the third quarter of fiscal 2021.  We expect interest income may decline due to the prevailing lower interest rates in the current economic environment.

We recorded a provision for income taxes of $1,725,000 and $763,000 for the three months ended June 30, 2021 and 2020, respectively.  We record our quarterly provision for income taxes based on our estimated annual effective tax rate for the year.  The increase in tax expense of $962,000 from the third quarter for fiscal 2020 is primarily due to increased income from operations.  The income tax expense rate for the third quarter of fiscal 2021 increased to 22.1%, from 20.3% recorded in the third quarter of fiscal 2020, due to increased income from operations.

The Company’s net income for the three months ended June 30, 2021 was $6,098,000, or $0.44 per basic and diluted share. The Company’s net income for the three months ended June 30, 2020 was $2,995,000, or $0.22 per basic and diluted share.

NINE MONTHS ENDED JUNE 30, 2021 VS. NINE MONTHS ENDED JUNE 30, 2020

Net sales for the nine months ended June 30, 2021 were $95,519,000, an increase of 45%, or approximately $29,763,000, from net sales of $65,757,000 for the first nine months of fiscal 2020. Net sales to Broadband Service providers were $93,569,000 for the first nine months of fiscal 2021, versus $63,102,000 in the same period of fiscal 2020. Among this group, the Company recorded $5,933,000 in International sales versus $2,991,000 in the same period of fiscal 2020. Net sales to Legacy customers were $1,951,000 in the first nine months of fiscal 2021 versus $2,655,000 in the same period of fiscal 2020. The Company allocates sales from external customers to geographic areas based on the location to which the product is transported. Accordingly, International sales represented 6% and 5% of total net sales for the first nine months of fiscal 2021 and 2020, respectively.

The increase in net sales for the nine months ended June 30, 2021 of $29,763,000 compared to the nine months ended June 30, 2020 is primarily attributable to an increase in sales to Community Broadband, MSO and International customers of $27,122,000, $2,986,000 and $2,942,000, respectively. This was offset by decreased sales to Tier 1 and Legacy customers of $2,562,000, and $738,000, respectively.  The increase to Community Broadband and MSO customers was due to increased demand in response to COVID-19 driven by customers accelerating their purchasing decisions and deployment schedules of our fiber optic solutions and the need for high-speed broadband required in the work from anywhere environment. The increase in International sales is a result increased demand as purchases in the prior year were negatively affected by COVID-19. The decrease in sales to Tier 1 customers is due to a reduction in capital spending in the consumer markets for fiber to the home at one of our Tier 1 customers resulting in a slower pace of their spend with us. In addition, the global pandemic has stalled the introduction and training of our new technologies into the Tier 1 market.  

Cost of sales for the nine months ended June 30, 2021 was $54,071,000, an increase of $14,983,000, or 38%, from $39,087,000 in the comparable period of fiscal 2020. Gross profit percent was 43.4% of net sales in the fiscal 2021 first nine months, up from 40.6% for the comparable nine months in fiscal 2020. Gross profit increased $14,779,000, or 55%, to $41,449,000 for the nine months ended June 30, 2021 from $26,669,000 in the comparable period in fiscal 2020. The increase in gross profit in the nine months ended June 30, 2021 was due to increased volume of net sales described above and a higher gross profit percent. The increase in gross profit percent was primarily due to favorable product mix and cost reduction efforts across the Company’s product lines, including greater use of its Mexico manufacturing plants and efficiencies realized from higher sales volumes. In the nine months ended June 30, 2021, the Company did not experience any significant impacts on cost of sales due to COVID-19.

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Selling, general and administrative expenses increased 16%, or $3,616,000, from $21,965,000 for the first nine months of fiscal 2020 to $25,582,000 for the first nine months of fiscal 2021. The increase in the first nine months of fiscal 2021 consists primarily of increases of $3,780,000 in compensation expense due to additional personnel along with increased wages and performance compensation accruals driven by higher net sales, and increased stock compensation expense of $397,000, offset by decreases in travel, entertainment and trade show expenses of $611,000 due to COVID-19 restrictions, and a recovery of bad debt expense of $210,000. In the nine months ended June 30, 2021, other than the travel, entertainment and trade show costs mentioned above, the Company did not experience any significant impacts on selling, general and administrative expense due to COVID-19.

Income from operations for the nine months ended June 30, 2021 was $15,867,000 compared to income from operations of $4,704,000 for the first nine months of fiscal 2020, an increase of $11,163,000, or 237%. This increase is primarily attributable to increased gross profit driven by higher sales, offset by increased selling, general and administrative expenses.

Interest income for the nine months ended June 30, 2021 was $378,000 compared to $616,000 for the comparable period for fiscal 2020. The decrease is due to lower interest rates earned on investments in the third quarter of fiscal 2021. We expect interest income to decline due to the prevailing lower interest rates in the current economic environment.

We recorded a provision for income taxes of $3,344,000 and $1,076,000 for the nine months ended June 30, 2021 and 2020, respectively. The increase in tax expense of $2,268,000 from the nine months ended June 30, 2020 is primarily due to increased income from operations. The increase in the income tax expense rate to 20.6% for the nine months ended June 30, 2021 from 20.2% for the nine months ended June 30, 2020 is primarily due to increased income from operations.

The Company’s net income for the first nine months of fiscal 2021 ended June 30, 2021 was $12,901,000, or $0.94 per basic and diluted share. The Company’s net income for the first nine months of fiscal 2020 ended June 30, 2020 was $4,244,000, or $0.31 per basic and diluted share.

LIQUIDITY AND CAPITAL RESOURCES

As of June 30, 2021, our principal source of liquidity was our cash, cash equivalents and short-term investments. Those sources total $32,170,000 as of June 30, 2021 compared to $27,032,000 as of September 30, 2020. Our excess cash is invested mainly in certificates of deposit backed by the FDIC, U.S. Treasury securities and money market accounts. Investments considered long-term were $26,721,000 as of June 30, 2021, compared to $25,143,000 as of September 30, 2020. We believe the combined balances of short-term cash and investments along with long-term investments provide a more accurate indication of our available liquidity. At the end of the third quarter of fiscal 2021, our cash, cash equivalents and short-term and long-term investments increased to $58.9 million compared to $57.9 million as of the prior quarter end. We had no long-term debt obligations as of June 30, 2021 or September 30, 2020.

We believe our existing cash equivalents and short-term investments, along with cash flow from operations, will be sufficient to meet our working capital and investment requirements for beyond the next 12 months. The Company intends on utilizing its available cash and assets primarily for its continued organic growth and potential future strategic transactions, as well as to mitigate the potential impacts on the Company’s business due to COVID-19 or supply chain, logistics, and customer fulfillment risks.

Operating Activities

Net cash provided by operating activities totaled $8,117,000 for the nine months ended June 30, 2021. This was primarily due to net income of $12,901,000, non-cash expenses for depreciation and amortization of $1,726,000, and stock-based compensation of $966,000 in addition to changes in operating assets and liabilities providing cash. The primary changes in operating assets and liabilities using cash include an increase in inventory of $6,571,000, and accounts receivable of $5,896,000, offset by increases in accounts payable and accrued expenses of $5,043,000. The increase in accounts receivable is due to increased sales during the most recent quarter and the timing of payments from customers. Accounts receivable balances can be influenced by the timing of shipments for customer projects and payment terms. Days sales outstanding, which measures how quickly receivables are collected, increased five days to 38 days from September 30, 2020 to June 30, 2021. The increase in accounts payable and accrued expenses is due to the timing of payments to vendors in the quarter and $4,500,000 of fiscal 2021 incentive compensation accruals.

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Net cash provided by operating activities totaled $2,440,000 for the nine months ended June 30, 2020. This was primarily due to net income of $4,244,000, non-cash expenses for depreciation and amortization of $1,825,000, and stock-based compensation of $542,000 in addition to changes in operating assets and liabilities providing cash. Changes in operating assets and liabilities using cash include an increase in inventory of $5,869,000, offset by increases in accounts payable, accrued expenses and deferred rent of $1,554,000. The increase in inventory is a result of additional stocking levels to support the Company’s increased backlog and higher demand, and additional safety stock across the Company’s multiple locations due to the uncertainty of COVID-19 on the Company’s supply chain and manufacturing locations. Accounts receivable balances can be influenced by the timing of shipments for customer projects and payment terms. Day’s sales outstanding, which measures how quickly receivables are collected, decreased one day to 32 days from September 30, 2019 to June 30, 2020.

Investing Activities

We invest our excess cash in money market accounts, U.S. Treasury securities and bank CDs in denominations across numerous banks. We believe we obtain a competitive rate of return given the economic climate along with the security provided by the FDIC on these investments. During the nine months ended June 30, 2021, we used cash to purchase $11,904,000 of U.S. Treasury and FDIC-backed securities and received $10,044,000 on CDs that matured. Purchases of property, plant and equipment, mainly related to manufacturing equipment, consumed $1,275,000 of cash during the nine months ended June 30, 2021.

During the nine months ended June 30, 2020, we used cash to purchase $31,838,000 of both FDIC-backed and treasury securities and received $30,163,000 on CDs and treasuries that matured. Purchases of property, plant and equipment, mainly related to manufacturing equipment, consumed $1,493,000 of cash during the nine months ended June 30, 2020.

Financing Activities

For the nine months ended June 30, 2021, we received $384,000 from employees’ participation and purchase of stock through our ESPP, we used $456,000 related to share withholding for taxes associated with the issuance of common stock upon cashless exercise of stock options and used $54,000 to pay for taxes as a result of employees’ vesting of restricted shares using share withholding. We did not repurchase common stock under our share repurchase program in the nine months ended June 30, 2021.

For the nine months ended June 30, 2020, we received $349,000 from employees’ participation and purchase of stock through our ESPP and used $6,000 to pay for taxes as a result of employees’ vesting of restricted shares using share withholding. We used $429,000 to repurchase 41,796 shares of our common stock under the share repurchase program in the nine months ended June 30, 2020.

As of June 30, 2021 and June 30, 2020, we had the authority to purchase approximately $4,981,000 in additional shares under the repurchase program announced on November 13, 2014 that was subsequently increased on April 25, 2017. In April 2020, the Board of Directors suspended the share repurchase plan due to uncertainties caused by COVID-19 and the Company’s desire to maintain capital flexibility.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Management utilizes its technical knowledge, cumulative business experience, judgment and other factors in the selection and application of the Company’s accounting policies. The accounting policies considered by management to be the most critical to the presentation of the financial statements because they require the most difficult, subjective and complex judgments include revenue recognition, stock-based compensation, and valuation of inventory, long-lived assets, finite lived intangible assets and goodwill.

These accounting policies are described in Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of the Company’s Annual Report on Form 10-K for the year ended September 30, 2020. Management made no changes to the Company’s critical accounting policies during the quarter ended June 30, 2021.

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In applying its critical accounting policies, management reassesses its estimates each reporting period based on available information. Changes in these estimates did not have a significant impact on earnings for the quarter ended June 30, 2021.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Not applicable.

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

The Company’s management carried out an evaluation, under the supervision and with the participation of the Company’s Chief Executive Officer and the Company’s Chief Financial Officer of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as such term is defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended) as of June 30, 2021. Based upon that evaluation, the Company’s Chief Executive Officer and the Company’s Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective.

Changes in Internal Control over Financial Reporting

There were no changes to the Company’s internal control over financial reporting, as defined in Rule 13a-15(f) of the Securities Exchange Act of 1934, that occurred during the quarter ended June 30, 2021 that materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

There are no pending legal proceedings against or involving the Company for which the outcome is likely to have a material adverse effect upon its financial position or results of operations.

ITEM 1A. RISK FACTORS

The most significant risk factors applicable to the Company are described in Part II, Item 1A “Risk Factors” of our Annual Report on Form 10-K for the year ended September 30, 2020 and the supplemental risk factor under Part II, Item 1A ”Risk Factors” of our Quarterly Report on Form 10-Q for the three months ended March 31, 2021.  There have been no material changes from the risk factors previously disclosed in our Annual Report on Form 10-K as supplemented in our Quarterly Report on Form 10-Q for the three months ended March 31, 2021.

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ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

In the three months ended June 30, 2021, the Company repurchased shares of stock as follows:

ISSUER PURCHASES OF EQUITY SECURITIES
Period	Total Number of Shares Purchased		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program (1)
April 1-30, 2021		-		-		-	$	4,980,671
May 1-31, 2021		-		-		-		4,980,671
June 1-30, 2021		-		-		-		4,980,671
Total		-		-		-	$	4,980,671

(1) Amount remaining from the aggregate $12,000,000 repurchase authorizations approved by the Company’s Board of Directors on April 25, 2017.

In the three months ended June 30, 2021, the Company did not repurchased any shares in connection with payment of taxes upon vesting of restricted stock previously issued to employees.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

Not applicable.

ITEM 6. EXHIBITS

Exhibit 31.1*	–	Certification of Chief Executive Officer pursuant to Rules 13a-14(a) and 15d-14(a) of the Exchange Act
Exhibit 31.2 *	–	Certification of Chief Financial Officer pursuant to Rules 13a-14(a) and 15d-14(a) of the Exchange Act
Exhibit 32.1 **	–	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. §1350
* Filed herewith.
**Furnished herewith.
101.INS		Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH		Inline XBRL Taxonomy Extension Schema Document
101.CAL		Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB		Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE		Inline XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF		Inline XBRL Taxonomy Extension Definition Linkbase Document
104		Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

22

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.

	CLEARFIELD, INC.
July 23, 2021	/s/ Cheryl Beranek
	By: Cheryl Beranek
	Its: President and Chief Executive Officer
	(Principal Executive Officer)
July 23, 2021	/s/ Daniel Herzog
	By: Daniel Herzog
	Its: Chief Financial Officer
	(Principal Financial and Accounting Officer)

23

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Cheryl Beranek, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Clearfield, Inc.;

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(s) 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 control 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;

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(s) 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.

July 23, 2021	/s/ Cheryl Beranek
	By: Cheryl Beranek, President and Chief Executive Officer
	(Principal Executive Officer)

24

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Daniel Herzog, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Clearfield, Inc.;

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(s) 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 control 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;

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(s) 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.

July 23, 2021	/s/ Daniel Herzog
	By: Daniel Herzog, Chief Financial Officer
	(Principal Financial and Accounting Officer)

25

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

The undersigned certify pursuant to 18 U.S.C. § 1350, that:

(1) The accompanying Quarterly Report on Form 10-Q for the period ended June 30, 2021 of Clearfield, Inc. (the “Company”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the accompanying report fairly presents, in all material respects, the financial condition and results of operations of the Company.

July 23, 2021	/s/ Cheryl Beranek
	By: Cheryl Beranek, President and Chief Executive Officer
	(Principal Executive Officer)

July 23, 2021	/s/ Daniel Herzog
	By: Daniel Herzog, Chief Financial Officer
	(Principal Financial and Accounting Officer)

26

XML

Document And Entity Information - shares	9 Months Ended
	Jun. 30, 2021	Jul. 12, 2021
Document Information [Line Items]
Entity Central Index Key	0000796505
Entity Registrant Name	Clearfield, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2021
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
Document Transition Report	false
Entity File Number	0-16106
Entity Incorporation, State or Country Code	MN
Entity Tax Identification Number	41-1347235
Entity Address, Address Line One	7050 Winnetka Avenue North, Suite 100
Entity Address, City or Town	Brooklyn Park
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55428
City Area Code	763
Local Phone Number	476-6866
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	CLFD
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		13,742,545

XML

Condensed Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2021	Sep. 30, 2020
Current Assets
Cash and cash equivalents	$ 21,305,392	$ 16,449,636
Short-term investments	10,864,831	10,582,527
Accounts receivables, net	16,182,713	10,496,672
Inventories, net	20,979,139	14,408,538
Other current assets	652,320	585,436
Total current assets	69,984,395	52,522,809
Property, plant and equipment, net	4,925,245	4,952,819
Other Assets
Long-term investments	26,721,221	25,143,000
Goodwill	4,708,511	4,708,511
Intangible assets, net	4,765,194	4,986,216
Right of use lease assets	2,515,743	2,539,100
Deferred tax asset	178,118	178,118
Other	259,548	266,857
Total other assets	39,148,335	37,821,802
Total Assets	114,057,975	95,297,430
Current Liabilities
Current portion of lease liability	901,063	665,584
Accounts payable	6,648,416	3,689,587
Accrued compensation	7,014,488	4,856,885
Accrued expenses	1,150,672	1,202,753
Total current liabilities	15,714,639	10,414,809
Other Liabilities
Long-term portion of lease liability	1,849,067	2,129,343
Total other liabilities	1,849,067	2,129,343
Total liabilities	17,563,706	12,544,152
Shareholders’ Equity
Preferred stock, $.01 par value; 500,000 shares; no shares issued or outstanding	0	0
Common stock, authorized 50,000,000, $.01 par value; 13,742,545 and 13,649,962 shares issued and outstanding as of June 30, 2021 and September 30, 2020	137,425	136,500
Additional paid-in capital	58,341,635	57,502,905
Retained earnings	38,015,209	25,113,873
Total shareholders’ equity	96,494,269	82,753,278
Total Liabilities and Shareholders’ Equity	$ 114,057,975	$ 95,297,430

XML

Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2021	Sep. 30, 2020
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares (in shares)	500,000	500,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares issued (in shares)	13,742,545	13,649,962
Common stock, shares outstanding (in shares)	13,742,545	13,649,962

XML

Condensed Statements of Earnings (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net sales	$ 38,735,356	$ 25,970,045	$ 95,519,437	$ 65,756,545
Cost of sales	21,597,574	15,179,875	54,070,830	39,087,407
Gross profit	17,137,782	10,790,170	41,448,607	26,669,138
Operating expenses
Selling, general and administrative	9,435,877	7,207,157	25,581,534	21,965,038
Income from operations	7,701,905	3,583,013	15,867,073	4,704,100
Interest income	121,208	174,555	378,263	615,523
Income before income taxes	7,823,113	3,757,568	16,245,336	5,319,623
Income tax expense	1,725,000	763,000	3,344,000	1,076,000
Net income	$ 6,098,113	$ 2,994,568	$ 12,901,336	$ 4,243,623
Net income per share Basic (in dollars per share)	$ 0.44	$ 0.22	$ 0.94	$ 0.31
Net income per share Diluted (in dollars per share)	$ 0.44	$ 0.22	$ 0.94	$ 0.31
Weighted average shares outstanding:
Basic (in shares)	13,732,913	13,497,955	13,718,394	13,510,413
Diluted (in shares)	13,812,510	13,497,955	13,762,897	13,547,124

XML

Condensed Statements of Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Sep. 30, 2019	13,641,805
Balance at Sep. 30, 2019	$ 136,418	$ 56,976,162	$ 17,820,807	$ 74,933,387
Stock-based compensation expense	$ 0	541,884	0	541,884
Issuance of common stock under employee stock purchase plan (in shares)	30,223
Issuance of common stock under employee stock purchase plan	$ 302	348,474	0	348,776
Net income	$ 0	0	4,243,623	4,243,623
Exercise of stock options, net of shares exchanged for payment (in shares)	7,646
Exercise of stock options, net of shares exchanged for payment	$ 76	10,892	0	10,968
Restricted stock issuance, net (in shares)	9,580
Restricted stock issuance, net	$ 96	(96)	0	0
Tax withholding related to vesting of restricted stock grants (in shares)	(453)
Tax withholding related to vesting of restricted stock grants	$ (4)	(5,799)	0	(5,803)
Repurchase of common stock (in shares)	(41,796)
Repurchase of common stock	$ (418)	(428,236)	0	(428,654)
Balance (in shares) at Jun. 30, 2020	13,647,005
Balance at Jun. 30, 2020	$ 136,470	57,443,281	22,064,430	79,644,181
Balance (in shares) at Mar. 31, 2020	13,627,639
Balance at Mar. 31, 2020	$ 136,276	57,042,604	19,069,862	76,248,742
Stock-based compensation expense	$ 0	213,361	0	213,361
Issuance of common stock under employee stock purchase plan (in shares)	15,116
Issuance of common stock under employee stock purchase plan	$ 151	178,973	0	179,124
Net income	$ 0	0	2,994,568	2,994,568
Exercise of stock options, net of shares exchanged for payment (in shares)	4,250
Exercise of stock options, net of shares exchanged for payment	$ 43	8,343	0	8,386
Balance (in shares) at Jun. 30, 2020	13,647,005
Balance at Jun. 30, 2020	$ 136,470	57,443,281	22,064,430	79,644,181
Balance (in shares) at Sep. 30, 2020	13,649,962
Balance at Sep. 30, 2020	$ 136,500	57,502,905	25,113,873	82,753,278
Stock-based compensation expense	$ 0	966,290	0	966,290
Issuance of common stock under employee stock purchase plan (in shares)	24,750
Issuance of common stock under employee stock purchase plan	$ 247	383,450	0	383,697
Net income	$ 0	0	12,901,336	12,901,336
Exercise of stock options, net of shares exchanged for payment (in shares)	33,543
Exercise of stock options, net of shares exchanged for payment	$ 336	(456,460)	0	(456,124)
Restricted stock issuance, net (in shares)	36,509
Restricted stock issuance, net	$ 365	(365)	0	0
Tax withholding related to vesting of restricted stock grants (in shares)	(2,219)
Tax withholding related to vesting of restricted stock grants	$ (23)	(54,185)	0	(54,208)
Balance (in shares) at Jun. 30, 2021	13,742,545
Balance at Jun. 30, 2021	$ 137,425	58,341,635	38,015,209	96,494,269
Balance (in shares) at Mar. 31, 2021	13,732,806
Balance at Mar. 31, 2021	$ 137,328	57,794,061	31,917,096	89,848,485
Stock-based compensation expense	$ 0	343,055	0	343,055
Issuance of common stock under employee stock purchase plan (in shares)	9,739
Issuance of common stock under employee stock purchase plan	$ 97	204,519	0	204,616
Net income	$ 0	0	6,098,113	6,098,113
Balance (in shares) at Jun. 30, 2021	13,742,545
Balance at Jun. 30, 2021	$ 137,425	$ 58,341,635	$ 38,015,209	$ 96,494,269

XML

Condensed Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net income	$ 12,901,336	$ 4,243,623
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	1,725,509	1,824,517
Change in allowance for doubtful accounts	209,612	0
Amortization of discount on investments	(876)	(64,327)
Stock-based compensation	966,290	541,884
Changes in operating assets and liabilities:
Accounts receivable	(5,895,653)	18,912
Inventories, net	(6,570,601)	(5,868,972)
Other assets	(261,371)	190,796
Accounts payable and accrued expenses	5,042,911	1,553,798
Net cash provided by operating activities	8,117,157	2,440,231
Cash flows from investing activities
Purchases of property, plant and equipment and intangible assets	(1,275,117)	(1,493,341)
Purchases of investments	(11,903,649)	(31,837,930)
Proceeds from maturities of investments	10,044,000	30,163,000
Net cash used in investing activities	(3,134,766)	(3,168,271)
Cash flows from financing activities
Proceeds from issuance of common stock under employee stock purchase plan	383,697	348,776
Tax withholding and proceeds related to exercise of stock options	(456,124)	10,968
Tax withholding related to vesting of restricted stock grants	(54,208)	(5,803)
Repurchase of common stock	0	(428,654)
Net cash used in financing activities	(126,635)	(74,713)
Increase (Decrease) in cash and cash equivalents	4,855,756	(802,753)
Cash and cash equivalents, beginning of period	16,449,636	10,081,721
Cash and cash equivalents, end of period	21,305,392	9,278,968
Supplemental disclosures for cash flow information
Cash paid during the year for income taxes	3,559,502	469,529
Non-cash financing activities
Cashless exercise of stock options	$ 1,269,414	$ 10,962

XML

Note 1 - Basis of Presentation

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Basis of Accounting [Text Block]

Note 1. Basis of Presentation

The accompanying (a) condensed balance sheet as of September 30, 2020, which has been derived from audited financial statements, and (b) unaudited interim condensed financial statements as of and for the three and nine months ended June 30, 2021 have been prepared by Clearfield, Inc. (the “Company”) in accordance with accounting principles generally accepted in the United States of America for interim financial information, pursuant to the rules and regulations of the Securities and Exchange Commission. Pursuant to these rules and regulations, certain financial information and footnote disclosures normally included in the financial statements have been condensed or omitted. However, in the opinion of management, the financial statements include all adjustments, consisting of normal recurring accruals, necessary for a fair presentation of the financial position, results of operations and cash flows of the interim periods presented. Operating results for the interim periods presented are not necessarily indicative of results to be expected for the full year or for any other interim period, due to variability in customer purchasing patterns and seasonal, operating and other factors. These condensed financial statements should be read in conjunction with the financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended September 30, 2020.

In preparation of the Company’s financial statements, management is required to make estimates and assumptions that affect reported amounts of assets and liabilities and related revenues and expenses during the reporting periods. As future events and their effects cannot be determined with precision, actual results could differ significantly from these estimates.

For the purposes of comparability, certain prior period amounts have been reclassified to conform to current period classification. There was no impact to prior period net income or shareholders’ equity.

New Accounting Pronouncements

In January 2017, the FASB issued ASU 2017-04, Intangibles-Goodwill, which offers amended guidance to simplify the accounting for goodwill impairment by removing Step 2 of the goodwill impairment test. A goodwill impairment will now be measured as the amount by which a reporting unit’s carrying value exceeds its fair value, limited to the amount of goodwill allocated to that reporting unit. This guidance is to be applied on a prospective basis effective for the Company’s interim and annual periods beginning after December 15, 2019. The new guidance is effective for the Company beginning in the first quarter of fiscal 2021. The adoption of ASU 2017-04 in the first quarter of fiscal 2021 did not have a material impact on the Company’s financial statements.

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instruments. In November 2018, the FASB issued update ASU 2018-19 that clarifies the scope of the standard in the amendments in ASU 2016-13. This guidance introduces a new model for recognizing credit losses on financial instruments based on an estimate of current expected credit losses. Financial instruments impacted include accounts receivable, trade receivables, other financial assets measured at amortized cost and other off-balance sheet credit exposures. The new guidance is effective for the Company beginning in the first quarter of fiscal 2023, with early adoption permitted. The Company is evaluating the impact of the adoption of ASU 2016-13 on its financial statements.

XML

Note 2 - Net Income Per Share

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Earnings Per Share [Text Block]

Note 2. Net Income Per Share

Basic net income per common share (“EPS”) is computed by dividing net income by the weighted average number of common shares outstanding for the reporting period. Diluted EPS equals net income divided by the sum of the weighted average number of shares of common stock outstanding plus all additional common stock equivalents, such as stock options, when dilutive.

The following is a reconciliation of the numerator and denominator of the net income per common share computations for the three and nine months ended June 30, 2021 and 2020:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
Net income	$	6,098,113	$	2,994,568	$	12,901,336	$	4,243,623
Weighted average common shares		13,732,913		13,497,955		13,718,394		13,510,413
Dilutive potential common shares		79,597		-		44,503		36,711
Weighted average dilutive common shares outstanding		13,812,510		13,497,955		13,762,897		13,547,124
Net income per common share:
Basic	$	0.44	$	0.22	$	0.94	$	0.31
Diluted	$	0.44	$	0.22	$	0.94	$	0.31

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Note 3 - Cash, Cash Equivalents, and Investments

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Cash and Cash Equivalents Disclosure [Text Block]

Note 3. Cash, Cash Equivalents, and Investments

The Company invests its excess cash in bank certificates of deposit (“CDs”) that are fully insured by the Federal Deposit Insurance Corporation (“FDIC”) as well as U.S. Treasury securities and money market accounts. CDs and US Treasuries with original maturities of more than three months are reported as held-to-maturity investments and are recorded at amortized cost, which approximates fair value due to the negligible risk of changes in value due to interest rates. The maturity dates of the Company’s investments as of June 30, 2021 and September 30, 2020 are as follows:

	June 30, 2021		September 30, 2020
Less than one year	$	10,864,831	$	10,582,527
1-5 years		26,721,221		25,143,000
Total	$	37,586,052	$	35,725,527

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Note 4 - Stock-based Compensation

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Share-based Payment Arrangement [Text Block]

Note 4. Stock-Based Compensation

The Company recorded $343,055 and $966,290 of compensation expense related to current and past restricted stock grants, non-qualified stock options and the Company’s Employee Stock Purchase Plan (“ESPP”) for the three and nine months ended June 30, 2021, respectively. For the three months ended June 30, 2021, $328,710 of this expense is included in selling, general and administrative expense, and $14,345 is included in cost of sales.  For the nine months ended June 30, 2021, $923,256 of this expense is included in selling, general and administrative expense, and $43,034 is included in cost of sales. The Company recorded $213,361 and $541,884 of compensation expense related to current and past restricted stock grants, non-qualified stock options and the Company’s Employee Stock Purchase Plan (“ESPP”) for the three and nine months ended June 30, 2020, respectively.  For the three months ended June 30, 2020, $207,653 of this expense is included in selling, general and administrative expense, and $5,708 is included in cost of sales.  For the nine months ended June 30, 2020, $526,580 of this expense is included in selling, general and administrative expense, and $15,304 is included in cost of sales.   As of June 30, 2021, $2,866,298 of total unrecognized compensation expense related to non-vested restricted stock awards and stock options is expected to be recognized over a period of approximately 3.2 years.

Stock Options

The Company uses the Black-Scholes option pricing model to determine the fair value of options granted. During the nine months ended June 30, 2021, the Company granted employees non-qualified stock options to purchase an aggregate of 105,089 shares of common stock with a weighted average contractual term of five years, a weighted average three-year vesting term, and a weighted average exercise price of $23.74. During the nine months ended June 30, 2020, the Company granted employees non-qualified stock options to purchase an aggregate of 121,350 shares of common stock with a weighted average contractual term of 5.71 years, a weighted average 4.71 year vesting term, and an exercise price of $12.43.

The fair value of stock option awards during the nine months ended June 30, 2021 was estimated as of the grant date using the assumptions listed below:

	Nine months ended June 30, 2021
Dividend yield		0	%
Expected volatility		46.9	%
Risk-free interest rate		0.24	%
Expected life (years)		5
Vesting period (years)		3

The expected stock price volatility is based on the historical volatility of the Company’s stock for a period approximating the expected life. The expected life represents the period of time that options are expected to be outstanding after their grant date. The risk-free interest rate reflects the interest rate as of the grant date on zero-coupon U.S. governmental bonds with a remaining life similar to the expected option term.

Options are granted at fair market values determined on the date of grant and vesting normally occurs over a three to five-year period. Shares issued upon exercise of a stock option are issued from the Company’s authorized but unissued shares.

The following is a summary of stock option activity during the nine months ended June 30, 2021:

	Number of options			Weighted average exercise price
Outstanding as of September 30, 2020		337,100		$	12.48
Granted		105,089			23.74
Exercised		(101,800	)		12.47
Forfeited or Expired		(38,709	)		13.68
Outstanding as of June 30, 2021		301,680		$	16.25

The intrinsic value of an option is the amount by which the fair value of the underlying stock exceeds its exercise price. As of June 30, 2021, the weighted average remaining contractual term for all outstanding and exercisable stock options was 2.55 years and their aggregate intrinsic value was $1,292,691.

Restricted Stock

The Company’s 2007 Stock Compensation Plan permits its Compensation Committee to grant stock-based awards, including stock options and restricted stock, to key employees and non-employee directors. The Company has made restricted stock grants that vest over one to ten years.

During the nine months ended June 30, 2021, the Company granted non-employee directors elected at the Company’s 2021 Annual Meeting of Shareholders restricted stock awards totaling 2,120 shares of common stock, with a vesting term of approximately one year and a fair value of $32.41 per share. During the nine months ended June 30, 2021, the Company also granted employees restricted stock awards totaling 37,687 shares of common stock, with a vesting term of approximately three years and a fair value of $23.74 per share.

During the nine months ended June 30, 2020, the Company granted non-employee directors elected at the Company’s 2020 Annual Meeting of Shareholders restricted stock awards totaling 5,830 shares of common stock, with a vesting term of approximately one year and a fair value of $10.72 per share. The Company also granted 5,000 shares of restricted stock, with a vesting term of approximately one year and a fair value of $11.01 per share.

Restricted stock transactions during the nine months ended June 30, 2021 are summarized as follows:

	Number of shares			Weighted average grant date fair value
Unvested shares as of September 30, 2020		109,070		$	12.97
Granted		39,807			24.20
Vested		(12,230	)		11.08
Forfeited		(3,298	)		16.07
Unvested as of June 30, 2021		133,349		$	16.41

Employee Stock Purchase Plan

The Company’s ESPP allows participating employees to purchase shares of the Company’s common stock at a discount through payroll deductions. The ESPP is available to all employees subject to certain eligibility requirements. Terms of the ESPP provide that participating employees may purchase the Company’s common stock on a voluntary after-tax basis. Employees may purchase the Company’s common stock at a price that is no less than the lower of 85% of the fair market value of one share of common stock at the beginning or end of each stock purchase period or phase. The ESPP is carried out in six-month phases, with phases beginning on January 1 and July 1 of each calendar year. For the phases that ended on June 30, 2021 and December 31, 2020, employees purchased 9,739 and 15,011 shares at a price of $21.01 and $11.93 per share, respectively. After the employee purchase on June 30, 2021, 194,873 shares of common stock were available for future purchase under the ESPP.

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Note 5 - Revenue

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

Note 5. Revenue

Revenue Recognition

Net sales include products and shipping and handling charges. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products. All revenue is recognized when the Company satisfies its performance obligations under the contract. The Company recognizes revenue by transferring the promised products to the customer, with substantially all revenue recognized at the point in time the customer obtains control of the products. The Company recognizes revenue for shipping and handling charges at the time the products are delivered to or picked up by the customer. The majority of the Company’s contracts have a single performance obligation and are short term in nature. Sales taxes and value added taxes in foreign jurisdictions that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales.

Disaggregation of Revenue

The Company allocates sales from external customers to geographic areas based on the location to which the product is transported. Sales outside the United States are principally to countries in the Caribbean, Canada, Central and South America.

Revenues related to the following geographic areas were as follows for the three and nine months ended:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
United States	$	35,810,360	$	25,090,614	$	89,586,498	$	62,765,455
All other countries		2,924,996		879,431		5,932,939		2,991,090
Total Net Sales	$	38,735,356	$	25,970,045	$	95,519,437	$	65,756,545

The Company manufactures and sells a proprietary product line designed for the Broadband Service Provider marketplace. In addition, the Company’s Legacy business provides build-to-print services for original equipment manufacturers requiring copper and fiber cable assemblies built to their specification.

The percentages of our sales by markets were as follows for the three and nine months ended:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2021			2020			2021			2020
Broadband service providers		98	%		97	%		98	%		96	%
Legacy customers		2	%		3	%		2	%		4	%
Total Net Sales		100	%		100	%		100	%		100	%

Broadband Service Providers are made up of Community Broadband, which includes local and regional telecom companies, utilities, municipalities and alternative carriers, multiple system operators (“MSO’s, or Cable TV”), which are also referred to as Tier 2 and Tier 3 customers; National Carriers, which includes large national and global wireline and wireless providers also referred to as Tier 1’s; and International customers.

Accounts Receivable

Credit is extended based on the evaluation of a customer’s financial condition, and collateral is generally not required. Accounts that are outstanding longer than the contractual payment terms are considered past due. The Company writes off accounts receivable when they become uncollectible; payments subsequently received on such receivables are credited to the allowance for doubtful accounts. As of June 30, 2021 and September 30, 2020, the balance in the allowance for doubtful accounts was $79,473 and $289,085, respectively. The allowance for doubtful accounts decreased by the amount recovered during the three months ended March 31, 2021 on an account previously reserved.

See Note 7, “Major Customer Concentration” for further information regarding accounts receivable and net sales.

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Note 6 - Inventories

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Inventory Disclosure [Text Block]

Note 6. Inventories

Inventories consist of the following as of:

	June 30, 2021			September 30, 2020
Raw materials	$	16,881,148		$	12,287,134
Work-in-process		2,866,264			1,033,021
Finished goods		2,373,251			2,048,514
Inventories, gross		22,120,663			15,368,669
Inventory reserve		(1,141,524	)		(960,131	)
Inventories, net	$	20,979,139		$	14,408,538

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Note 7 - Major Customer Concentration

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

Note 7. Major Customer Concentration

For the three months ended June 30, 2021, Customers A and B comprised 18% and 12% of the Company’s net sales, respectively. For the nine months ended June 30, 2021, Customers A and B comprised 20% and 11% of the Company’s net sales, respectively. Both of these customers were distributors. For the three months ended June 30, 2020, Customer A comprised 20% and Customer B comprised 11% of the Company’s net sales. For the nine months ended June 30, 2020, Customers A and B comprised 20% and 11% of the Company’s net sales, respectively. Both of these customers are distributors. These major customers, like our other customers, purchase our products from time to time through purchase orders, and the Company does not have any agreements that obligate these major customers to purchase products from us in the future.

As of June 30, 2021, Customers A and B accounted for 13% and 14% of accounts receivable, respectively. Customer C accounted for 11% of accounts receivable. As of September 30, 2020, Customers A, B, and C accounted for 13%, 12%, and 0% of accounts receivable, respectively. Customers A and B are distributors and Customer C is a telecommunications service provider.

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Note 8 - Goodwill and Intangibles

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

Note 8. Goodwill and Intangibles

The Company analyzes its goodwill for impairment annually or at an interim period when events occur or changes in circumstances indicate potential impairment. The result of the analysis performed as of September 30, 2020 did not indicate an impairment of goodwill. During the nine months ended June 30, 2021, there were no triggering events that indicate potential impairment exists.

The Company capitalizes legal costs incurred to obtain patents. Once accepted by either the U.S. Patent Office or the equivalent office of a foreign country, these legal costs are amortized using the straight-line method over the remaining estimated lives, not exceeding 20 years. As of June 30, 2021, the Company has 28 patents granted and multiple pending applications both inside and outside the United States.

In addition, the Company has various finite lived intangible assets, most of which were acquired as a result of the acquisition of the active cabinet product line from Calix, Inc. during fiscal year 2018. The Company analyzes its intangible assets for impairment annually or at interim periods when events occur or changes in circumstances indicate potential impairment. The result of the analysis performed as of September 30, 2020 did not indicate an impairment of our intangible assets. During the nine months ended June 30, 2021, there were no triggering events that indicate potential impairment exists.

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Note 9 - Income Taxes

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Income Tax Disclosure [Text Block]

Note 9. Income Taxes

For the three and nine months ended June 30, 2021, the Company recorded income tax expense of $1,725,000 and $3,344,000, reflecting an effective tax rate of 22.1% and 20.6%, respectively. The differences between the effective tax rate and the statutory tax rate for the three and nine months ended June 30, 2021 were primarily related to excess tax benefits from non-qualified stock options exercised during the period, research and development credits, and foreign derived intangibles income deduction (FDII). For the three and nine months ended June 30, 2020, the Company recorded income tax expense of $763,000 and $1,076,000 reflecting an effective tax rate of 20.3% and 20.2%, respectively. The differences between the effective tax rate and the statutory tax rate were related to nondeductible meals and entertainment, nondeductible stock compensation, FDII, and research and development credits.

Deferred taxes recognize the impact of temporary differences between the amounts of the assets and liabilities recorded for financial statement purposes and these amounts measured in accordance with tax laws.  The Company’s realization of deferred tax temporary differences is contingent upon future taxable earnings.  The Company reviewed its deferred tax asset for expected utilization using a “more likely than not” criteria by assessing the available positive and negative factors surrounding its recoverability and determined that as of June 30, 2021 and September 30, 2020 a valuation allowance against the deferred tax assets is not required. The Company will continue to assess the need for a valuation allowance based on changes in assumptions of estimated future income and other factors in future periods. 

As of June 30, 2021, the Company does not have any unrecognized tax benefits. It is the Company’s practice to recognize interest and penalties accrued on any unrecognized tax benefits as a component of income tax expense. The Company does not expect any material changes in its unrecognized tax positions over the next 12 months.

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Note 10 - Leases

9 Months Ended

Jun. 30, 2021

Notes to Financial Statements

Lessee, Operating Leases [Text Block]

Note 10. Leases

The Company leases an 85,000 square foot facility at 7050 Winnetka Avenue North, Brooklyn Park, Minnesota consisting of corporate offices, manufacturing and warehouse space.  The lease term is ten years and two months, ending on February 28, 2025.   Upon proper notice and payment of a termination fee of approximately $249,000, the Company has a one-time option to terminate the lease effective as of the last day of the eighth year of the term after the Company commenced paying base rent. The renewal and termination options have not been included within the lease term because it is not reasonably certain that the Company will exercise either option.

On October 9, 2020, the Company entered into an indirect lease arrangement for its existing 46,000 square foot manufacturing facility in Tijuana, Mexico. The Company had previously been leasing this facility on a month to month basis after its three-year lease expired on July 31, 2020. The new lease term is three years.  This lease contains an option to renew and rent payments that increase annually based on U.S. inflation for the preceding 12 months.

On February 12, 2020, the Company entered into an indirect lease arrangement for an additional 52,000 square foot manufacturing facility in Tijuana, Mexico. The lease term is approximately 42 months and commenced on February 12, 2020. The lease contains options to renew for two additional consecutive periods of three years each.

         Right-of-use lease assets and lease liabilities are recognized as of the commencement date based on the present value of the remaining lease payments over the lease term which includes renewal periods the Company is reasonably certain to exercise. The Company’s leases do not contain any material residual value guarantees or material restrictive covenants. As of June 30, 2021, the Company does not have material lease commitments that have not commenced.

Operating lease expense included within cost of goods sold and selling, general and administrative expense was as follows for the three and nine months ended June 30, 2021:

	Three Months Ended June 30,				Nine Months Ended June 30,
Operating lease expense within:	2021		2020		2021		2020
Cost of sales	$	242, 178	$	247,897	$	747,573	$	652,399
Selling, general and administrative		51,275		54,345		162,008		166,109
Total lease expense	$	293,453	$	302,242	$	909,581	$	818,508

Future maturities of lease liabilities were as follows as of June 30, 2021:

FY2021	$	242,982
FY2022		986,844
FY2023		943,682
FY2024		516,725
FY2025		217,552
Thereafter		-
Total lease payments		2,907,785
Less: Interest		(157,655	)
Present value of lease liabilities	$	2,750,130

The weighted average term and weighted average discount rate for the Company’s leases as of June 30, 2021 were 3.09 years and 3.41%, respectively, compared to 4.21 years and 3.48%, respectively, as of June 30, 2020. For the three and nine months ended June 30, 2021, the operating cash outflows from the Company’s leases was $242,736 and $722,537, respectively, compared to $237,726 and $574,381, for the three and nine months ended June 30, 2020, respectively.

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Note 2 - Net Income Per Share (Tables)

9 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
Net income	$	6,098,113	$	2,994,568	$	12,901,336	$	4,243,623
Weighted average common shares		13,732,913		13,497,955		13,718,394		13,510,413
Dilutive potential common shares		79,597		-		44,503		36,711
Weighted average dilutive common shares outstanding		13,812,510		13,497,955		13,762,897		13,547,124
Net income per common share:
Basic	$	0.44	$	0.22	$	0.94	$	0.31
Diluted	$	0.44	$	0.22	$	0.94	$	0.31

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Note 3 - Cash, Cash Equivalents, and Investments (Tables)

9 Months Ended

Jun. 30, 2021

Notes Tables

Investments Classified by Contractual Maturity Date [Table Text Block]

	June 30, 2021		September 30, 2020
Less than one year	$	10,864,831	$	10,582,527
1-5 years		26,721,221		25,143,000
Total	$	37,586,052	$	35,725,527

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Note 4 - Stock-based Compensation (Tables)

9 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Nine months ended June 30, 2021
Dividend yield		0	%
Expected volatility		46.9	%
Risk-free interest rate		0.24	%
Expected life (years)		5
Vesting period (years)		3

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	Number of options			Weighted average exercise price
Outstanding as of September 30, 2020		337,100		$	12.48
Granted		105,089			23.74
Exercised		(101,800	)		12.47
Forfeited or Expired		(38,709	)		13.68
Outstanding as of June 30, 2021		301,680		$	16.25

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	Number of shares			Weighted average grant date fair value
Unvested shares as of September 30, 2020		109,070		$	12.97
Granted		39,807			24.20
Vested		(12,230	)		11.08
Forfeited		(3,298	)		16.07
Unvested as of June 30, 2021		133,349		$	16.41

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Note 5 - Revenue (Tables)

9 Months Ended

Jun. 30, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
United States	$	35,810,360	$	25,090,614	$	89,586,498	$	62,765,455
All other countries		2,924,996		879,431		5,932,939		2,991,090
Total Net Sales	$	38,735,356	$	25,970,045	$	95,519,437	$	65,756,545

	Three Months Ended June 30,						Nine Months Ended June 30,
	2021			2020			2021			2020
Broadband service providers		98	%		97	%		98	%		96	%
Legacy customers		2	%		3	%		2	%		4	%
Total Net Sales		100	%		100	%		100	%		100	%

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Note 6 - Inventories (Tables)

9 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30, 2021			September 30, 2020
Raw materials	$	16,881,148		$	12,287,134
Work-in-process		2,866,264			1,033,021
Finished goods		2,373,251			2,048,514
Inventories, gross		22,120,663			15,368,669
Inventory reserve		(1,141,524	)		(960,131	)
Inventories, net	$	20,979,139		$	14,408,538

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Note 10 - Leases (Tables)

9 Months Ended

Jun. 30, 2021

Notes Tables

Lessee, Operating Lease Expense [Table Text Block]

	Three Months Ended June 30,				Nine Months Ended June 30,
Operating lease expense within:	2021		2020		2021		2020
Cost of sales	$	242, 178	$	247,897	$	747,573	$	652,399
Selling, general and administrative		51,275		54,345		162,008		166,109
Total lease expense	$	293,453	$	302,242	$	909,581	$	818,508

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

FY2021	$	242,982
FY2022		986,844
FY2023		943,682
FY2024		516,725
FY2025		217,552
Thereafter		-
Total lease payments		2,907,785
Less: Interest		(157,655	)
Present value of lease liabilities	$	2,750,130

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Note 2 - Net Income Per Share - Weighted Average Common Shares Outstanding (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income	$ 6,098,113	$ 2,994,568	$ 12,901,336	$ 4,243,623
Weighted average common shares (in shares)	13,732,913	13,497,955	13,718,394	13,510,413
Dilutive potential common shares (in shares)	79,597	0	44,503	36,711
Weighted average dilutive common shares outstanding (in shares)	13,812,510	13,497,955	13,762,897	13,547,124
Basic (in dollars per share)	$ 0.44	$ 0.22	$ 0.94	$ 0.31
Diluted (in dollars per share)	$ 0.44	$ 0.22	$ 0.94	$ 0.31

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Note 3 - Cash, Cash Equivalents, and Investments - Maturity Date of CDs (Details) - USD ($)	Jun. 30, 2021	Sep. 30, 2020
Less than one year	$ 10,864,831	$ 10,582,527
1-5 years	26,721,221	25,143,000
Total	$ 37,586,052	$ 35,725,527

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Note 4 - Stock-based Compensation (Details Textual) - USD ($)	1 Months Ended	3 Months Ended			9 Months Ended
	Feb. 29, 2020	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share-based Payment Arrangement, Expense		$ 343,055		$ 213,361	$ 966,290	$ 541,884
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		2,866,298			$ 2,866,298
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)					3 years 2 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)					105,089	121,350
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)					5 years	5 years 8 months 15 days
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					3 years	4 years 8 months 15 days
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)					$ 23.74	$ 12.43
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)					2 years 6 months 18 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		$ 1,292,691			$ 1,292,691
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Market Price Percentage, Offering Date					85.00%
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)		9,739	15,011
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price (in dollars per share)		$ 21.01	$ 11.93
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)		194,873			194,873
Share-based Payment Arrangement, Option [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					3 years
Share-based Payment Arrangement, Option [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					5 years
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					39,807
Restricted Stock [Member] | Stock Compensation Plan 2007 [Member] | Share-based Payment Arrangement, Nonemployee [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	1 year				1 year	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	5,000				2,120	5,830
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share (in dollars per share)	$ 11.01				$ 32.41	$ 10.72
Restricted Stock [Member] | Stock Compensation Plan 2007 [Member] | Share-based Payment Arrangement, Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					37,687
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share (in dollars per share)					$ 23.74
Restricted Stock [Member] | Minimum [Member] | Stock Compensation Plan 2007 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					1 year
Restricted Stock [Member] | Maximum [Member] | Stock Compensation Plan 2007 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)					10 years
Selling, General and Administrative Expenses [Member]
Share-based Payment Arrangement, Expense		$ 328,710		207,653	$ 923,256	$ 526,580
Cost of Sales [Member]
Share-based Payment Arrangement, Expense		$ 14,345		$ 5,708	$ 43,034	$ 15,304

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Note 4 - Stock-based Compensation - Valuation Assumptions (Details)	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Dividend yield	0.00%
Expected volatility	46.90%
Risk-free interest rate	0.24%
Expected life (Year)	5 years
Vesting period (Year)	3 years	4 years 8 months 15 days

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Note 4 - Stock-based Compensation - Option Transaction Summary (Details) - $ / shares	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Options, outstanding (in shares)	337,100
Weighted-average exercise price, outstanding (in dollars per share)	$ 12.48
Granted (in shares)	105,089	121,350
Weighted-average exercise price, Granted (in dollars per share)	$ 23.74	$ 12.43
Exercised (in shares)	(101,800)
Weighted-average exercise price, Exercised (in dollars per share)	$ 12.47
Forfeited or Expired (in shares)	(38,709)
Weighted-average exercise price, Forfeited or Expired (in dollars per share)	$ 13.68
Options, outstanding (in shares)	301,680
Weighted-average exercise price, outstanding (in dollars per share)	$ 16.25

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Note 4 - Stock-based Compensation - Restricted Stock Transactions (Details) - Restricted Stock [Member]	9 Months Ended
	Jun. 30, 2021 $ / shares shares
Balance, unvested shares (in shares) | shares	109,070
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 12.97
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) | shares	39,807
Granted, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 24.20
Vested (in shares) | shares	(12,230)
Vested, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 11.08
Forfeited (in shares) | shares	(3,298)
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 16.07
Balance, unvested shares (in shares) | shares	133,349
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 16.41

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Note 5 - Revenue (Details Textual) - USD ($)	Jun. 30, 2021	Sep. 30, 2020
Accounts Receivable, Allowance for Credit Loss, Current	$ 79,473	$ 289,085

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Note 5 - Revenue - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Total Net Sales	$ 38,735,356	$ 25,970,045	$ 95,519,437	$ 65,756,545
Percent of net sales	100.00%	100.00%	100.00%	100.00%
Broadband Service Providers [Member]
Percent of net sales	98.00%	97.00%	98.00%	96.00%
Legacy Customers [Member]
Percent of net sales	2.00%	3.00%	2.00%	4.00%
UNITED STATES
Total Net Sales	$ 35,810,360	$ 25,090,614	$ 89,586,498	$ 62,765,455
Non-US [Member]
Total Net Sales	$ 2,924,996	$ 879,431	$ 5,932,939	$ 2,991,090

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Note 6 - Inventories - Components of Inventory (Details) - USD ($)	Jun. 30, 2021	Sep. 30, 2020
Raw materials	$ 16,881,148	$ 12,287,134
Work-in-process	2,866,264	1,033,021
Finished goods	2,373,251	2,048,514
Inventories, gross	22,120,663	15,368,669
Inventory reserve	(1,141,524)	(960,131)
Inventories, net	$ 20,979,139	$ 14,408,538

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Note 7 - Major Customer Concentration (Details Textual) - Customer Concentration Risk [Member]	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2020
Revenue Benchmark [Member] | Customer A [Member]
Concentration Risk, Percentage	18.00%	20.00%	20.00%	20.00%
Revenue Benchmark [Member] | Customer B [Member]
Concentration Risk, Percentage	12.00%	11.00%	11.00%	11.00%
Accounts Receivable [Member] | Customer A [Member]
Concentration Risk, Percentage			13.00%		13.00%
Accounts Receivable [Member] | Customer B [Member]
Concentration Risk, Percentage			14.00%		12.00%
Accounts Receivable [Member] | Customer C [Member]
Concentration Risk, Percentage			11.00%		0.00%

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Note 8 - Goodwill and Intangibles (Details Textual) $ in Thousands	9 Months Ended	12 Months Ended
	Jun. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
Goodwill, Impairment Loss	$ 0	$ 0
Number of Patents Granted	28
Patents [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	20 years

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Note 9 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Expense (Benefit), Total	$ 1,725,000	$ 763,000	$ 3,344,000	$ 1,076,000
Effective Income Tax Rate Reconciliation, Percent, Total	22.10%	20.30%	20.60%	20.20%
Unrecognized Tax Benefits, Ending Balance	$ 0		$ 0

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Note 10 - Leases (Details Textual)	3 Months Ended		9 Months Ended
	Jun. 30, 2021 USD ($) ft²	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) ft²	Jun. 30, 2020 USD ($)	Oct. 09, 2020 ft²	Feb. 12, 2020 ft²	Aug. 01, 2017	Jan. 01, 2015
Operating Lease, Weighted Average Remaining Lease Term (Year)	3 years 1 month 2 days	4 years 2 months 15 days	3 years 1 month 2 days	4 years 2 months 15 days
Operating Lease, Weighted Average Discount Rate, Percent	3.41%	3.48%	3.41%	3.48%
Operating Lease, Payments | $	$ 242,736	$ 237,726	$ 722,537	$ 574,381
7050 Winnetka Avenue North, Brooklyn Park, Minnesota [Member]
Area of Real Estate Property (Square Foot)	85,000		85,000
Lessee, Operating Lease, Term of Contract (Year)								10 years 2 months 1 day
Operating Lease Termination Fee | $			$ 249,000
Tijuana, Mexico [Member]
Area of Real Estate Property (Square Foot)					46,000
Lessee, Operating Lease, Term of Contract (Year)					3 years		3 years
Tijuana, Mexico 2 [Member]
Area of Real Estate Property (Square Foot)						52,000
Lessee, Operating Lease, Term of Contract (Year)						42 months
Lessee, Operating Lease, Number of Options to Renew						2
Lessee, Operating Lease, Renewal Term (Year)						3 years

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Note 10 - Leases - Operating Lease Expense (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Total lease expense under ASC 842	$ 293,453	$ 302,242	$ 909,581	$ 818,508
Cost of Sales [Member]
Total lease expense under ASC 842	242,178	247,897	747,573	652,399
Selling, General and Administrative Expenses [Member]
Total lease expense under ASC 842	$ 51,275	$ 54,345	$ 162,008	$ 166,109

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Note 10 - Leases - Maturities of Lease Liabilities (Details)	Jun. 30, 2021 USD ($)
FY2021	$ 242,982
FY2022	986,844
FY2023	943,682
FY2024	516,725
FY2025	217,552
Thereafter	0
Total lease payments	2,907,785
Less: Interest	(157,655)
Present value of lease liabilities	$ 2,750,130