10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended September 30, 2017

OR

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

For the transition period from ____________ to ____________

Commission File No. 001-00106

THE LGL GROUP, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	38-1799862
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)
2525 Shader Rd., Orlando, Florida	32804
(Address of principal executive offices)	(Zip Code)

(407) 298-2000

(Registrant’s telephone number, including area code)

(Former name, former address, and former fiscal year if changed since last report)

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes  ☒    No  ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes  ☒    No  ☐

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

Large accelerated filer	☐		Accelerated filer	☐
Non-accelerated filer	☐	(Do not check if a smaller reporting company)	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. ☐

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 at November 3, 2017
Common Stock, $0.01 par value per share	2,675,465

INDEX

THE LGL GROUP, INC.

PART I.	FINANCIAL INFORMATION
Item 1.	Financial Statements (Unaudited)
	Condensed Consolidated Balance Sheets:	1
	–        As of September 30, 2017
	–        As of December 31, 2016
	Condensed Consolidated Statements of Operations:	2
	–        Three and nine months ended September 30, 2017 and 2016
	Condensed Consolidated Statements of Comprehensive Income (Loss):	3
	–        Three and nine months ended September 30, 2017 and 2016
	Condensed Consolidated Statement of Stockholders’ Equity:	4
	–        Nine months ended September 30, 2017
	Condensed Consolidated Statements of Cash Flows:	5
	–        Nine months ended September 30, 2017 and 2016
	Notes to Condensed Consolidated Financial Statements:	6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	14
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	17
Item 4.	Controls and Procedures	17
PART II.	OTHER INFORMATION
Item 1.	Legal Proceedings	19
Item 1A.	Risk Factors	19
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	19
Item 3.	Defaults Upon Senior Securities	19
Item 4.	Mine Safety Disclosures	19
Item 5.	Other Information	19
Item 6.	Exhibits	19
SIGNATURES		21

PART I

FINANCIAL INFORMATION

Item 1. Financial Statements.

THE LGL GROUP, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Dollars in Thousands, Except Per Share Amounts)

	September 30, 2017			December 31, 2016
	(Unaudited)			(Audited)
ASSETS
Current Assets:
Cash and cash equivalents	$	1,976		$	2,778
Marketable securities		3,787			2,770
Accounts receivable, net of allowances of $27 and $31, respectively		3,237			3,504
Inventories, net		3,907			3,638
Prepaid expenses and other current assets		214			200
Total Current Assets		13,121			12,890
Property, plant and equipment:
Land		536			633
Buildings and improvements		3,973			3,966
Machinery and equipment		16,959			16,849
Gross property, plant and equipment		21,468			21,448
Less:  accumulated depreciation		(19,201	)		(18,737	)
Net property, plant, and equipment		2,267			2,711
Intangible assets, net		572			628
Deferred income taxes, net		202			214
Other assets, net		337			203
Total Assets	$	16,499		$	16,646
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current Liabilities:
Accounts payable	$	1,278		$	1,525
Accrued compensation and commissions		881			942
Other accrued expenses		251			288
Total Current Liabilities		2,410			2,755
Commitments and Contingencies (Note L)
Stockholders’ Equity
Common stock, $0.01 par value - 10,000,000 shares authorized; 2,757,049 shares issued and 2,675,465 shares outstanding at September 30, 2017 and December 31, 2016		27			27
Additional paid-in capital		29,195			29,173
Accumulated deficit		(14,578	)		(14,726	)
Treasury stock, 81,584 shares held in treasury at cost at September 30, 2017 and December 31, 2016		(580	)		(580	)
Accumulated other comprehensive income (loss)		25			(3	)
Total Stockholders' Equity		14,089			13,891
Total Liabilities and Stockholders' Equity	$	16,499		$	16,646

See Accompanying Notes to Condensed Consolidated Financial Statements.

1

THE LGL GROUP, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - UNAUDITED

(Dollars in Thousands, Except Per Share Amounts)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
REVENUES	$	5,262		$	5,128		$	16,745		$	15,115
Costs and expenses:
Manufacturing cost of sales		3,513			3,353			11,063			10,069
Engineering, selling and administrative		1,748			1,803			5,529			5,210
OPERATING INCOME (LOSS)		1			(28	)		153			(164	)
Other Income (Expense):
Interest expense, net		(6	)		(7	)		(17	)		(20	)
Other income, net		24			67			42			105
Total Other Income		18			60			25			85
INCOME (LOSS) BEFORE INCOME TAXES		19			32			178			(79	)
Income tax (provision) benefit		(2	)		—			(30	)		1
NET INCOME (LOSS)	$	17		$	32		$	148		$	(78	)
Basic per share information:
Weighted average shares outstanding		2,675,465			2,665,189			2,675,465			2,665,352
Net income (loss)	$	0.01		$	0.01		$	0.06		$	(0.03	)
Diluted per share information:
Weighted average shares outstanding		2,689,911			2,665,831			2,688,544			2,665,352
Net income (loss)	$	0.01		$	0.01		$	0.06		$	(0.03	)

See Accompanying Notes to Condensed Consolidated Financial Statements.

2

THE LGL GROUP, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - UNAUDITED

(Dollars in Thousands)

	Three Months Ended September 30,					Nine Months Ended September 30,
	2017			2016		2017		2016
NET INCOME (LOSS)	$	17		$	32	$	148	$	(78	)
Other Comprehensive Income (Loss):
Unrealized (loss) gain on available-for-sale securities, net of taxes		(14	)		6		28		—
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME		(14	)		6		28		—
COMPREHENSIVE INCOME (LOSS)	$	3		$	38	$	176	$	(78	)

See Accompanying Notes to Condensed Consolidated Financial Statements.

3

THE LGL GROUP, INC.

CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY - UNAUDITED

(Dollars in Thousands)

	Shares of Common Stock Outstanding		Common Stock		Additional Paid-In Capital		Accumulated Deficit			Treasury Stock			Accumulated Other Comprehensive (Loss) Income			Total
Balance at December 31, 2016		2,675,465	$	27	$	29,173	$	(14,726	)	$	(580	)	$	(3	)	$	13,891
Net income		—		—		—		148			—		—				148
Other comprehensive income		—		—		—		—			—			28			28
Subscription rights (Note H)		—		—		—		—			—			—			—
Stock-based compensation		—		—		22		—			—			—			22
Balance at September 30, 2017		2,675,465	$	27	$	29,195	$	(14,578	)	$	(580	)	$	25		$	14,089

See Accompanying Notes to Condensed Consolidated Financial Statements.

4

THE LGL GROUP, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS – UNAUDITED

(Dollars in Thousands)

	Nine Months Ended September 30,
	2017			2016
OPERATING ACTIVITIES
Net income (loss)	$	148		$	(78	)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation		464			537
Amortization of finite-lived intangible assets		56			50
Gain on disposal of assets		—			(110	)
Stock-based compensation		22			(4	)
Gain on sale of marketable securities		(21	)		—
Bargain purchase gain		—			(4	)
Deferred income tax provision		12			—
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable, net		267			(450	)
Increase in inventories, net		(269	)		(121	)
Increase in prepaid expenses and other assets		(148	)		(36	)
(Decrease) increase in accounts payable, accrued compensation and commissions    and other accrued liabilities		(345	)		484
Net cash provided by operating activities		186			268
INVESTING ACTIVITIES
Purchase of marketable securities		(1,002	)		—
Acquisition of a business		—			(295	)
Proceeds from sale of marketable securities		34			—
Capital expenditures		(20	)		(112	)
Other		—			43
Net cash used in investing activities		(988	)		(364	)
FINANCING ACTIVITIES
Purchase of treasury stock		—			(4	)
Net cash used in financing activities		—			(4	)
Decrease in cash and cash equivalents		(802	)		(100	)
Cash and cash equivalents at beginning of period		2,778			5,553
Cash and cash equivalents at end of period	$	1,976		$	5,453
Supplemental Disclosure:
Cash paid for interest	$	23		$	17
Cash paid for income taxes	$	26		$	38

See Accompanying Notes to Condensed Consolidated Financial Statements.

5

THE LGL GROUP, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

A. Subsidiaries of the Registrant

The LGL Group, Inc. (the "Company"), incorporated in 1928 under the laws of the State of Indiana and reincorporated under the laws of the State of Delaware in 2007, is a holding company with subsidiaries engaged in the designing, manufacturing and marketing of highly-engineered, highreliability frequency and spectrum control products used to control the frequency or timing of signals in electronic circuits, and in the design of high performance Frequency and Time Reference Standards that form the basis for timing and synchronization in various applications.

As of September 30, 2017, the subsidiaries of the Company were as follows:  

	Owned By The LGL Group, Inc.
M-tron Industries, Inc.		100.0%
Piezo Technology, Inc.		100.0%
Piezo Technology India Private Ltd.		99.0%
M-tron Asia, LLC		100.0%
M-tron Industries, Ltd.		100.0%
GC Opportunities Ltd.		100.0%
M-tron Services, Ltd.		100.0%
Precise Time and Frequency, LLC		100.0%
Lynch Systems, Inc.		100.0%

The Company operates through its two principal subsidiaries, M-tron Industries, Inc. (“MtronPTI”), which includes the operations of Piezo Technology, Inc. ("PTI") and M-tron Asia, LLC ("Mtron"), and Precise Time and Frequency, LLC ("PTF"), a subsidiary formed to hold the assets of Precise Time and Frequency, Inc. acquired September 2, 2016. Additionally, the Company operates in two identified segments. The first segment, the electronic components segment, is focused on the design and manufacture of highly-engineered, high reliability frequency and spectrum control products.  These electronic components ensure reliability and security in aerospace and defense communications, low noise and base accuracy for laboratory instruments, and synchronous data transfers throughout the wireless and Internet infrastructure. The second segment, the electronic instruments segment, is focused on the design and manufacture of high performance Frequency and Time Reference Standards that form the basis for timing and synchronization in various applications. The Company has operations in Orlando, Florida, Yankton, South Dakota, Wakefield, Massachusetts and Noida, India and sales offices in Sacramento, California, Austin, Texas and Hong Kong.

B. Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and the instructions to Form 10-Q and Rule 8-03 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2017 are not necessarily indicative of the results that may be expected for the full year ending December 31, 2017.

This interim information should be read in conjunction with the audited consolidated financial statements and related notes thereto set forth in the Company's Annual Report on Form 10-K for the year ended December 31, 2016, filed with the Securities and Exchange Commission (the "SEC") on March 29, 2017, as amended. The accompanying unaudited condensed consolidated financial statements should also be read in conjunction with Management's Discussion and Analysis of Financial Condition and Results of Operations contained in this Quarterly Report on Form 10-Q.

C. Inventories

Inventories are valued at the lower of cost or net realizable value using the FIFO (first-in, first-out) method. The Company reduces the value of its inventories to net realizable value when the net realizable value is believed to be less than the cost of the item.  The inventory reserve for obsolescence as of September 30, 2017 and December 31, 2016 was $2,819,000 and $2,773,000, respectively.

6

Inventories are comprised of the following (in thousands):

	September 30, 2017		December 31, 2016
Raw materials	$	1,501	$	1,408
Work in process		1,568		1,306
Finished goods		838		924
Total Inventories, net	$	3,907	$	3,638

D. Intangible Assets

Intangible assets are recorded at cost less accumulated amortization which is included in engineering, selling and administrative expenses in the accompanying unaudited condensed consolidated statements of operations. Amortization is computed for financial reporting purposes using the straight-line method over the estimated useful lives of the assets, which range up to 10 years. The intangible assets consist of intellectual property and goodwill. The net carrying value of the amortizable intangible assets was $532,000 and $588,000 as of September 30, 2017 and December 31, 2016, respectively. Goodwill, which is not amortizable, was $40,000 as of September 30, 2017 and December 31, 2016.

The estimated aggregate amortization expense for intangible assets, excluding goodwill, for the remaining portion of 2017 and each of the four succeeding years and thereafter is as follows (in thousands):

2017	$	19
2018		75
2019		75
2020		75
2021		75
Thereafter		213
Total	$	532

E. CNB Loan

On September 30, 2016, MtronPTI renewed its Loan Agreement (the “CNB Loan Agreement”) with City National Bank of Florida (“City National”). The CNB Loan Agreement provides for a revolving line of credit in the amount of $3.0 million (the “CNB Revolver”), which bears interest at a variable rate equal to the 30-day London Interbank Offered Rate (“LIBOR”) plus 200 basis points to be set on the first day of each month, and expires on September 30, 2018. The CNB Loan Agreement also provides that MtronPTI will pay City National a fee equal to 0.75% per year on the daily unused amount. The Company's obligations under the CNB Loan Agreement are secured only by cash collateral and do not require any other liens.

As of September 30, 2017 and December 31, 2016, there was no balance outstanding under the CNB Revolver and no associated restricted cash.

F. Stock-Based Compensation

The Company measures the cost of employee services in exchange for an award of equity instruments based on the grant-date fair value of the award and recognizes the cost over the requisite service period, typically the vesting period.

The Company estimates the fair value of stock options on the grant date using the Black-Scholes-Merton option-pricing model. The Black-Scholes-Merton option-pricing model requires subjective assumptions, including future stock price volatility and expected time to exercise, which greatly affect the calculated values. There is no expected dividend rate. Historical Company information was the basis for the expected volatility assumption as the Company believes that the historical volatility is indicative of expected volatility over the life of the option. The risk-free interest rate is based on the U.S. Treasury zero-coupon rates with a remaining term equal to the expected term of the option.

Restricted stock awards are made at a value equal to the market price of the Company's common stock on the date of the grant.

Compensation expense related to share-based compensation is recognized over the applicable vesting periods. As of September 30, 2017, there was approximately $43,000 of total unrecognized compensation expense related to unvested share-based compensation arrangements that will be recognized over a weighted average period of 1.9 years.

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G. Net Income (Loss) Per Share

The Company computes net income (loss) per share in accordance with Accounting Standards Codification ("ASC") 260, Earnings Per Share ("ASC 260").  Basic net income (loss) per share is computed by dividing net income (loss) by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share adjusts basic income (loss) per share for the effects of stock options, non-participating restricted common stock, and other potentially dilutive financial instruments, only in the periods in which the effects are dilutive. Shares of restricted stock granted to members of the Company’s board of directors (the “Board”) as a portion of their director fees are deemed to be participating as defined by ASC 260 and therefore are included in the computation of basic income (loss) per share.

For the three and nine months ended September 30, 2017, there were options to purchase 60,135 shares and 105,135 shares, respectively, of the Company's common stock and warrants to purchase 519,241 shares of common stock that were excluded from the diluted income (loss) per share computation because the impact of the assumed exercise of such stock options would have been anti-dilutive during the respective periods. For the three and nine months ended September 30, 2016, there were options to purchase 130,554 shares and 139,902 shares, respectively, of the Company’s common stock and warrants to purchase 519,241 shares of common stock that were excluded from the diluted income (loss) per share computation because the impact of the assumed exercise of such stock options and warrants would have been anti-dilutive.

The following table reconciles basic weighted average shares outstanding to diluted weighted average shares outstanding for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Weighted average shares outstanding - basic		2,675,465		2,665,189		2,675,465		2,665,352
Effect of diluted securities		14,446		642		13,079		—
Weighted average shares outstanding - diluted		2,689,911		2,665,831		2,688,544		2,665,352

H. Stockholders’ Equity

Share Repurchase Program

On August 29, 2011, the Board authorized the Company to repurchase up to 100,000 shares of its common stock in accordance with applicable securities laws. This authorization increased the total number of shares authorized and available for repurchase under the Company's existing share repurchase program to 540,000 shares, at such times, amounts and prices as the Company shall deem appropriate. As of September 30, 2017, the Company had repurchased a total of 81,584 shares of common stock at a cost of $580,000, which shares are currently held in treasury.

Rights Offering

Pursuant to a Registration Statement on Form S-1 (Registration No. 333-218901) under the Securities Act of 1933, as amended (the "Securities Act"), and declared effective by the SEC on September 5, 2017, the Company distributed, at no charge, to the holders of the Company’s common stock, as of September 5, 2017 three transferable subscription rights for each share of common stock then owned (the “Rights Offering”). Each subscription right entitles the holder to purchase one-fourth of a share of common stock at a subscription price of $5.50 per whole share of common stock.

The Rights Offering also includes an over-subscription right, which entitles a stockholder who exercises all of their basic subscription rights in full  the right to purchase additional shares of common stock that remain unsubscribed at the expiration of the Rights Offering, subject to availability, at the same $5.50 per whole share subscription price.  If the number of unsubscribed shares is not sufficient to satisfy all of the properly exercised over-subscription rights requests, the available shares will be prorated among those who properly exercised over-subscription rights in proportion to their respective basic subscription rights.

The initial subscription period for stockholders to exercise their subscription rights was to expire on October 10, 2017.  On October 5, 2017, the Company extended the expiration of the offering period to October 25, 2017, and on October 23, 2017, the Company further extended the expiration of the offering period to November 13, 2017.

The Company estimated the fair value of the subscription rights using the Black-Scholes-Merton option-pricing model. The Black-Scholes-Merton pricing model requires subjective assumptions, including future stock price volatility and expected time to exercise, which greatly affect the calculated values. There is no expected dividend rate. Historical Company information was the basis for the

8

expected volatility assumption. The risk-free interest rate is based on the U.S. Treasury zero-coupon rates with a remaining term comparable to the expected term of the subscription rights. The Company estimated the fair value of the subscription rights to be approximately $10,000 and,because retained earnings were in a deficit position for the three and nine months ending September 30, 2017, it has been recorded as a debit and credit to additional paid in capital with a net impact of $0.

The shares issued in connection with the Rights Offering will be listed on the NYSE American, and the subscription rights are expected to trade on the NYSE American until the day before the expiration of the subscription period.

The Company intends to use the net proceeds from the Rights Offering as additional capital for general corporate purposes and for acquisitions and new business development broadly, including industries and businesses outside the scope of existing operations, although it has not identified any specific acquisitions or business development opportunities at this time.

The Company reserves the right to modify, extend, postpone or cancel the Rights Offering at any time prior to the settlement of the sale of the shares in the Rights Offering.

Warrants

On August 6, 2013, the Company distributed warrants to purchase shares of the Company's common stock as a dividend to holders of the Company's common stock as of July 29, 2013, the record date for the dividend. Stockholders received five warrants for each share of the Company's common stock owned on the record date. When exercisable, 25 warrants will entitle the holder to purchase one share of the Company's common stock at an exercise price of $7.50 per share (subject to adjustment).

The warrants are "European style warrants" and will only become exercisable on the earlier of (i) their expiration date, August 6, 2018, and (ii) such date that the 30-day volume weighted average price per share, or VWAP, of the Company's common stock is greater than or equal to $15.00 (subject to adjustment). Once the warrants become exercisable, they may be exercised in accordance with the terms of the warrant agreement between the Company and the warrant agent until their expiration at 5:00 p.m., Eastern Time, on the expiration date.

The warrants are quoted on the over-the-counter market under the symbol "LGLPW."

9

I. Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.  Fair value guidance identifies three primary valuation techniques: the market approach, the income approach and the cost approach.  The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities.  The income approach uses valuation techniques to convert future amounts such as cash flows or earnings, to a single present amount. The measurement is based on the value indicated by current market expectations about those future amounts.  The cost approach is based on the amount that currently would be required to replace the service capacity of an asset.

The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The fair value hierarchy gives the highest priority to observable inputs such as quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3).  The maximization of observable inputs and the minimization of the use of unobservable inputs are required.

Classification within the fair value hierarchy is based upon the objectivity of the inputs that are significant to the valuation of an asset or liability as of the measurement date.  The three levels within the fair value hierarchy are characterized as follows:

Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.

Level 2 - Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include:  quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Level 3 - Unobservable inputs for the asset or liability for which there is little, if any, market activity for the asset or liability at the measurement date. Unobservable inputs reflect the Company's own assumptions about what market participants would use to price the asset or liability. These inputs may include internally developed pricing models, discounted cash flow methodologies, as well as instruments for which the fair value determination requires significant management judgment.

Assets

To estimate the market value of its marketable securities, the Company obtains current market pricing from quoted market sources or uses pricing for identical securities. Assets measured at fair value on a recurring basis are summarized below (in thousands).

	Level 1		Level 2		Level 3		Total September 30, 2017
Marketable Securities (equity securities)	$	3,787	$	—	$	—	$	3,787

	Level 1		Level 2		Level 3		Total December 31, 2016
Marketable Securities (equity securities)	$	2,770	$	—	$	—	$	2,770
U.S. Treasury securities (cash equivalents)	$	1,002	$	—	$	—	$	1,002

There were no transfers from level 2 to level 3 during the periods presented. There were no level 2 or 3 assets as of September 30, 2017 or December 31, 2016. The Company also has assets that may be subject to measurement at fair value on a non-recurring basis, including goodwill and intangible assets, and other long-lived assets. There were no liabilities subject to fair value on a non-recurring or recurring basis as of September 30, 2017 and December 31, 2016.

The Company reviews goodwill and the carrying value of long-lived assets at least annually or whenever events and circumstances indicate that the carrying amounts of the assets may not be recoverable. If it is determined that the assets are impaired, the carrying value would be reduced to estimated fair value.

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J. Segment Information

The Company has two reportable business segments from operations: electronic components, which includes all products manufactured and sold by MtronPTI, and electronic instruments, which includes all products manufactured and sold by PTF. The Company's foreign operations in Hong Kong and India are subsidiaries of MtronPTI.

Operating income (loss) is equal to revenues less cost of sales and operating expenses, excluding investment income, interest expense, and income taxes.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(in thousands)						(in thousands)
Revenues from Operations
Electronic components	$	5,080		$	5,114		$	16,097		$	15,101
Electronic instruments		182			14			648			14
Total consolidated revenues	$	5,262			5,128		$	16,745			15,115
Operating Income (Loss) from Operations
Electronic components	$	321		$	279		$	1,127		$	617
Electronic instruments		(9	)		(54	)		39			(54	)
Unallocated corporate expense		(311	)		(253	)		(1,013	)		(727	)
Consolidated operating income (loss)		1			(28	)		153			(164	)
Interest expense, net		(6	)		(7	)		(17	)		(20	)
Other income, net		24			67			42			105
Total other income		18			60			25			85
Income (Loss) Before Income Taxes	$	19		$	32		$	178		$	(79	)

K. Domestic and Foreign Revenues

For the three months ended September 30, 2017 and 2016, domestic revenues were $3,979,000 and $3,779,000, respectively, and foreign revenues were $1,283,000 and $1,349,000, respectively. For the nine months ended September 30, 2017 and 2016, domestic revenues were $11,845,000 and $11,033,000, respectively, and foreign revenues were $4,900,000 and $4,082,000, respectively. Significant foreign revenues from operations (10% or more of foreign sales) were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(in thousands)					(in thousands)
Malaysia	$	696	$	694	$	2,284	$	2,202
All other foreign countries		587		655		2,616		1,880
Total foreign revenues	$	1,283	$	1,349	$	4,900	$	4,082
Total domestic revenue	$	3,979	$	3,779	$	11,845	$	11,033

The Company allocates its foreign revenue based on the customer's ship-to location.

L. Commitments and Contingencies

In the ordinary course of business, the Company and its subsidiaries may become defendants in certain product liability, patent infringement, worker claims and other litigation.  The Company records a liability when it is probable that a loss has been incurred and the amount is reasonably estimable.

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M. Related Party Transactions

As of September 30, 2017 and December 31, 2016, approximately $3,778,000 and $2,714,000, respectively, was invested in a market neutral mutual fund which is included in marketable securities on the accompanying balance sheet. As of December 31, 2016, approximately $1,002,000 was also invested in a United States Treasury money market fund which is included in cash and cash equivalents on the accompanying balance sheet. Both the market neutral mutual fund and the United States Treasury money market fund are managed by a related entity (the "Fund Manager"), which is related through a common director. One of the Company's directors, who is also a 10% stockholder, currently serves as an executive officer of the Fund Manager. The fund transactions for the nine months ended September 30, 2017 and for the year-ended December 31, 2016 were directed solely at the discretion of the Company’s management.

N.Recently Issued Accounting Pronouncements

In August 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2016-15, “Statement of Cash Flows – (Topic 230): Classification of Certain Cash Receipts and Cash Payments” (“ASU 2016-15”). ASU 2016-15 addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. ASU 2016-15 is effective for fiscal years, and for interim periods within those years, beginning after December 15, 2017.  Early application is permitted.  The Company is currently evaluating the potential effect of ASU 2016-15 on its consolidated financial statements.

In March 2016, the FASB issued ASU No. 2016-09, "Compensation – Stock Compensation (Topic 718): Improvements to Employee Share–Based Payment Accounting" ("ASU 2016-09"). ASU 2016-9 simplifies the accounting for share–based payment award transactions including: income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows. The adoption of ASU 2016–09 did not have a material impact on the Company’s consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016–02, "Leases (Topic 842)" (“ASU 2016-02”). The objective of this update is to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018, including interim periods within those annual periods and is to be applied utilizing a modified retrospective approach. The Company does not expect this standard to have a material impact on its consolidated financial statements because there are no material operating leases.

In January 2016, the FASB issued ASU No. 2016-01, "Financial Instruments – Recognition and Measurement of Financial Assets and Financial Liabilities(Topic 825)" ("ASU 2016-01"). ASU 2016-01 revises the classification and measurement of investments in certain equity investments and the presentation of certain fair value changes for certain financial liabilities measured at fair value.  ASU No. 2016-01 requires the change in fair value of many equity investments to be recognized in net income.  ASU 2016-01 is effective for interim and annual periods beginning after December 15, 2017, with early adoption permitted.   Adopting ASU 2016-01 may result in a cumulative effect adjustment to the Company's retained earnings as of the beginning of the year of adoption.  The Company is currently evaluating the potential effects of adopting the provisions of ASU 2016-01.

In November 2015, the FASB issued ASU No. 2015-17 "Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes" (ASU 2015-17”) which simplifies the presentation of deferred income taxes. Under the new accounting standard, deferred tax assets and liabilities are required to be classified as noncurrent, eliminating the prior requirement to separate deferred tax assets and liabilities into current and noncurrent. The adoption of ASU 2015-17 did not have a material impact on the Company’s consolidated financial statements.

In August 2014, the FASB issued ASU No. 2014-15, "Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern" ("ASU 2014-15"), which provides guidance on determining when and how to disclose going concern uncertainties in the financial statements. The new standard requires management to perform interim and annual assessments of an entity's ability to continue as a going concern within one year of the date the financial statements are issued. An entity must provide certain disclosures if conditions or events raise substantial doubt about the entity's ability to continue as a going concern. ASU 2014-15 applies to all entities and is effective for annual periods ending after December 15, 2016, and interim periods thereafter, with early adoption permitted. The Company has adopted ASU 2014-15 as of December 31, 2016 and it did not have a material impact on the Company’s financial statements.

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In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers” ("ASU 2014-09"), also known as the "New Revenue Standard." This update is the result of a collaborative effort by the FASB and the International Accounting Standards Board to simplify revenue recognition guidance, remove inconsistencies in the application of revenue recognition, and to improve comparability of revenue recognition practices across entities, industries, jurisdictions, and capital markets.  The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to receive for those goods or services. The New Revenue Standard is applied through the following five-step process:

1.  Identify the contract(s) with a customer.

2.  Identify the performance obligations in the contract.

3.  Determine the transaction price.

4.  Allocate the transaction price to the performance obligations in the contract.

5.  Recognize revenue when (or as) the entity satisfies a performance obligation.

For a public entity, this update is effective for annual and interim reporting periods beginning after December 15, 2017 with early adoption permitted.  This standard can be applied on either a retrospective or modified retrospective approach. Through the course of 2016, a number of ASU's had been issued which further refine the original guidance issued under ASU 2014-09 and are effective in conjunction with this original standard.

We have established an implementation approach to assess the impact of the new revenue guidance on our operations, consolidated financial statements and related disclosures. To date, this assessment has included (1) performing contract analyses for each revenue stream identified, (2) assessing the noted differences in recognition and measurement that may result from adopting this new standard, (3) performing detailed analyses of contracts with large customers, and (4) performing transaction level testing  for consistency with contract provisions that affect revenue recognition. Based on the preliminary results of the evaluation, which is still in process, nothing has come to our attention that would indicate that adoption of the new standard will have a material impact on our consolidated financial statements.

Further, we are in the process of evaluating and designing the necessary changes to our business processes, policies, systems and controls to support recognition and disclosure under the new standard. Further, we are continuing to assess what incremental disaggregated revenue disclosures will be required in our consolidated financial statements.

No other new accounting pronouncements issued or effective during the nine months ended September 30, 2017 have had or are expected to have a material impact on the Company's consolidated financial statements.

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

The following discussion and analysis of the Company's financial condition and results of operations should be read in conjunction with the accompanying condensed consolidated financial statements, the notes thereto and the other unaudited financial data included in this Quarterly Report on Form 10-Q. The following discussion should also be read in conjunction with the audited consolidated financial statements and the notes thereto, and "Management's Discussion and Analysis of Financial Condition and Results of Operations" included in the Company's Annual Report on Form 10-K for the year ended December 31, 2016, as amended. The terms “we,” “us,” “our,” and the “Company” refer to The LGL Group, Inc. and unless otherwise defined herein, capitalized terms used herein shall have the same meanings as set forth in our condensed consolidated financial statements and the notes thereto.

Forward-Looking Statements

Certain statements contained in this Quarterly Report on Form 10-Q of the Company and the Company's other communications and statements, other than historical facts, may be considered forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The Company intends for all such forward-looking statements to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act and Section 21E of the Exchange Act, as applicable by law. Such statements include, in particular, statements about the Company's beliefs, plans, objectives, goals, expectations, estimates, projections and intentions. These statements are subject to significant risks and uncertainties and are subject to change based on various factors, many of which are beyond the Company's control. The words "may," "could," "should," "would," "believe," "anticipate," "estimate," "expect," "intend," "plan," "target," "goal," and similar expressions are intended to identify forward-looking statements. All forward-looking statements, by their nature, are subject to risks and uncertainties. Therefore, such statements are not intended to be a guarantee of the Company's performance in future periods. The Company's actual future results may differ materially from those set forth in the Company's forward-looking statements. For information concerning these factors and related matters, see "Risk Factors" in Part I, Item 1A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2016, filed with the SEC on March 29, 2017, as amended, this Quarterly Report on Form 10-Q and our other filings with the SEC. However, other factors besides those referenced could adversely affect the Company's results, and you should not consider any such list of factors to be a complete set of all potential risks or uncertainties. Any forward-looking statements made by the Company herein speak as of the date of this Quarterly Report on Form 10-Q. The Company does not undertake to update any forward-looking statement, except as required by law. As a result, you should not place undue reliance on these forward-looking statements.

Results of Operations

Three months ended September 30, 2017 compared to three months ended September 30, 2016

Consolidated Revenues, Gross Margin and Backlog

Total revenues for the three months ended September 30, 2017 were $5,262,000, an increase of $134,000, or 2.6%, from revenues of $5,128,000 for the three months ended September 30, 2016.  Revenue growth was negatively impacted by Hurricane Irma, which resulted in lost production days for our Orlando facility.

Consolidated gross margin, which is consolidated revenues less manufacturing cost of sales, as a percentage of revenues decreased to 33.2% for the three months ended September 30, 2017, from 34.6% for the three months ended September 30, 2016.

As of September 30, 2017, our order backlog was $9,917,000, which is a decrease of 8.8% when compared to the back log of $10,877,000 as of June 30, 2017, and a decrease of 10.0% when compared to a backlog of $11,017,000 as of September 30, 2016. The decline was primarily due to the push out of a three year contract from the third quarter to the fourth quarter. The backlog of unfilled orders includes amounts based on signed contracts as well as agreed letters of intent, which we have determined are firm orders likely to be fulfilled in the next 12 months.

Order backlog is adjusted quarterly to reflect project cancellations, deferrals, revised project scope and cost, and sales of subsidiaries, if any.  We expect to fill our entire order backlog within the next twelve months, but cannot provide assurances as to what portion of the order backlog will be fulfilled in a given year.

Operating Income (Loss)

Operating income of $1,000 for the three months ended September 30, 2017 was an improvement of $29,000 from an operating loss of ($28,000) for the three months ended September 30, 2016. This was due to a decrease in engineering, selling and administrative costs that partially offset the decline in gross margin.

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Other Income, Net

For the three months ended September 30, 2017, other income, net was $24,000 compared to $67,000 for the three months ended September 30, 2016. The current period other income, net consists of a $21,000 gain realized on the sale of marketable securities and $4,000 of foreign currency transaction gains on settled transactions, offset by ($1,000) of other expense. The prior period other income, net consists of $74,000 of net insurance proceeds received for damaged equipment and inventory and a $4,000 bargain purchase gain resulting from the purchase of PTF, offset by ($10,000) of legal settlement fees and a ($1,000) foreign currency transaction loss on settled transactions,.

Income Tax (Provision) Benefit

We recorded a tax provision of ($2,000) and $0 for the three months ended September 30, 2017 and 2016, respectively.

Based on our assessment of the uncertainty surrounding the realization of the favorable tax attributes in future tax returns in accordance with the provisions of ASC 740, Income Taxes, we have determined that it is more likely than not that deferred tax assets generated from foreign net operating losses (“NOLs”) can be utilized in the foreseeable future and a valuation allowance for these assets is not required. We also determined that a full valuation against the remaining U.S net deferred tax assets is required and have recorded a valuation allowance to reduce deferred tax assets to the amount that is more likely than not to be realized. Should a change in circumstances lead to a change in judgment about the ability to realize deferred tax assets in future years, we will adjust related valuation allowances in the period that the change in circumstances occurs, along with a corresponding increase or charge to income.

Net Income

Net income for the three months ended September 30, 2017, was $17,000 compared to $32,000 for the three months ended September 30, 2016. Basic and diluted net income per share for the three months ended September 30, 2017 and 2016 was $0.01.

Stock-Based Compensation

For the three months ended September 30, 2017 and 2016, stock-based compensation expense was $7,000 and $8,000, respectively. Compensation expense related to stock-based compensation is recognized over the applicable vesting periods. As of September 30, 2017, there was approximately $43,000 of total unrecognized compensation expense related to unvested stock-based compensation arrangements.

Nine months ended September 30, 2017 compared to nine months ended September 30, 2016

Consolidated Revenues, Gross Margin and Backlog

Total revenues for the nine months ended September 30, 2017 were $16,745,000, an increase of $1,630,000, or 10.8%, from revenues of $15,115,000 for the nine months ended September 30, 2016.  Approximately 60.0% of the increase is being driven by management’s strategy to move away from low margin commodities business and focus on achieving revenue growth through the development of more complex, higher margin products, particularly in the Aero/Defense market segment. The remaining 40.0% of the increase is being driven by PTF, which we acquired in September 2016.

Consolidated gross margin, which is consolidated revenues less manufacturing cost of sales, as a percentage of revenues increased modestly to 33.9% for the nine months ended September 30, 2017 from 33.4% for the nine months ended September 30, 2016.

Operating Income (Loss)

Operating income was $153,000 for the nine months ended September 30, 2017 compared to an operating loss of ($164,000) for the nine months ended September 30, 2016. The improvement was due to the 10.8% increase in revenue and the modest increase in gross margin. 

Other Income, Net

For the nine months ended September 30, 2017, other income, net was $42,000 compared to $105,000 for the nine months ended September 30, 2016. The current period consists of $25,000 of foreign currency transaction gains on settled transactions and a $21,000 of gain on the sale of marketable securities, offset by other expenses. The prior period consists of $118,000 of net insurance proceeds received for damaged equipment and inventory and a $4,000 bargain purchase gain resulting from the acquisition of PTF offset by ($10,000) of legal settlement fees and a ($7,000) loss on the disposal of equipment.

Income Tax (Provision) Benefit

We recorded a tax provision of ($30,000) and a tax benefit of $1,000 for the nine months ended September 30, 2017 and 2016, respectively.

Based on our assessment of the uncertainty surrounding the realization of the favorable tax attributes in future tax returns in accordance with the provisions of ASC 740, Income Taxes, we have determined that it is more likely than not that deferred tax assets

15

generated from foreign NOLs can be utilized in the foreseeable future and a valuation allowance for these assets is not required. We also determined that a full valuation against the remaining U.S net deferred tax assets is required and have recorded a valuation allowance to reduce deferred tax assets to the amount that is more likely than not to be realized. Should a change in circumstances lead to a change in judgment about the ability to realize deferred tax assets in future years, we will adjust related valuation allowances in the period that the change in circumstances occurs, along with a corresponding increase or charge to income.

Net Income (Loss)

Net income for the nine months ended September 30, 2017 was $148,000 compared to a net loss of ($78,000) for the nine months ended September 30, 2016. Basic and diluted net income (loss) per share for the nine months ended September 30, 2017 and 2016 was $0.06 and ($0.03), respectively.

Stock-Based Compensation

For the nine months ended September 30, 2017 stock-based compensation expense was $22,000. For the nine months ended September 30, 2016, stock-based compensation expense was ($4,000) due to the effect of forfeitures. Compensation expense related to stock-based compensation is recognized over the applicable vesting periods. As of September 30, 2017, there was approximately $43,000 of total unrecognized compensation expense related to unvested stock-based compensation arrangements.

Liquidity and Capital Resources  

As of September 30, 2017 and 2016, cash and cash equivalents were $1,976,000 and $2,778,000, respectively. In December 2016 and January 2017, we transferred certain investments in U.S. Treasury securities (cash equivalents) to equity securities, which are classified as marketable securities on our consolidated balance sheets.

Cash provided by operating activities was $186,000 and $268,000 for the nine months ended September 30, 2017 and 2016, respectively.  The $82,000 decrease was due primarily to a year-over-year increase in non-cash adjustments for depreciation, stock-based compensation, gain on disposal of assets, gain on disposal of marketable securities and a deferred tax benefit totaling $64,000, and a year-over year change in working capital accounts of ($372,000) offset by an improvement in net income (loss) of $226,000.

Cash used in investing activities for the nine months ended September 30, 2017 and 2016 was ($988,000) and ($364,000), respectively. The increase in the use of cash was primarily due to the transfer of certain cash equivalents to equity securities; offset partially by, PTF acquisition costs incurred in 2016 and a $92,000 reduction in capital expenditures.  In addition, insurance proceeds decreased by $43,000 compared with 2016.

For the nine months ended September 30, 2017, there were no financing activities. For the nine months September 30, 2016 there was a ($4,000) use of cash to purchase treasury stock.

As of September 30, 2017, our consolidated working capital was $10,711,000 compared to $10,135,000 as of December 31, 2016.  As of September 30, 2017, we had current assets of $13,121,000, current liabilities of $2,410,000 and a ratio of current assets to current liabilities of 5.44:1.00 As of December 31, 2016 we had current assets of $12,890,000, current liabilities of $2,755,000 and a ratio of current assets to current liabilities of 4.68:1.00. Management continues to focus on efficiently managing working capital requirements to match operating activity levels.

On September 30, 2016, MtronPTI renewed the CNB Loan Agreement with City National. The CNB Loan Agreement provides for the CNB Revolver in the amount of $3.0 million, which bears interest at a variable rate equal to the 30-day LIBOR plus 200 basis points to be set on the first day of each month, and expires on September 30, 2018. The CNB Loan Agreement also provides that MtronPTI will pay City National a fee equal to 0.75% per year on the daily unused amount. Our obligations under the CNB Loan Agreement are secured only by cash collateral and do not require any other liens.

In connection with the CNB Loan Agreement, MtronPTI also entered into a Cash Collateral Agreement with City National (the "CNB Cash Collateral Agreement") and delivered a Revolving Promissory Note in the principal amount of $3.0 million to City National (the "CNB Revolving Promissory Note").

The CNB Cash Collateral Agreement provides that MtronPTI will hold cash collateral equal to any amounts outstanding under the CNB Revolver in a non-interest bearing deposit account with City National. Provided that MtronPTI is not in default of any of its obligations under the CNB Loan Agreement, the CNB Revolving Promissory Note or the CNB Cash Collateral Agreement, the funds collateralizing the CNB Revolver are restricted only to the extent of the outstanding principal amount under the CNB Revolver. As of September 30, 2017 and December 31, 2016, there was no balance outstanding under the CNB Revolver and no associated restricted cash.

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We believe that existing cash and cash equivalents and cash generated from operations will be sufficient to meet our ongoing working capital and capital expenditure requirements for the next 12 months.  However, we may seek additional capital to fund future growth in its business, to provide flexibility to respond to dynamic market conditions, or to fund our strategic growth objectives.  

Our Board has adhered to a practice of not paying cash dividends.  This policy takes into account our long-term growth objectives, including our anticipated investments for organic growth, potential technology acquisitions or other strategic ventures, and stockholders' desire for capital appreciation of their holdings.  No cash dividends have been paid to the Company's stockholders since January 30, 1989, and none are expected to be paid for the foreseeable future.

Critical Accounting Policies

Our accounting policies and unaudited condensed consolidated financial statements have been established to conform with GAAP. The preparation of financial statements in conformity with GAAP requires us to use judgment in the application of accounting policies, including making estimates and assumptions. These judgments affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenue and expenses during the reporting periods. We believe we have made these estimates and assumptions in an appropriate manner and in a way that accurately reflects our financial condition. We continually test and evaluate these estimates and assumptions using historical knowledge of the business, as well as other factors, to ensure that they are reasonable for reporting purposes. However, actual results may differ from these estimates and assumptions. We believe that the accounting policies related to the following accounts or activities are those that are most critical to the portrayal of our financial condition and results of operations and require the more significant judgments and estimates:

• Revenue recognition;

• Accounts receivable allowance;

• Inventory valuation;

• Intangible assets;

• Income taxes; and

• Segment information.

There have been no significant changes to our critical accounting policies from those described in Note A – Accounting and Reporting Policies to the consolidated financial statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2016, as amended.

Off-Balance Sheet Arrangements

We do not have any off-balance sheet arrangements.

Item 3.Quantitative and Qualitative Disclosures About Market Risk.

Not applicable.

Item 4.Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in our reports under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms, and that such information is accumulated and communicated to us, including our chief executive officer and chief financial officer, as appropriate, to allow timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, we recognize that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, as ours are designed to do, and we necessarily were required to apply our judgment in evaluating whether the benefits of the controls and procedures that we adopt outweigh their costs.

17

As required by Rules 13a-15(b) and 15d-15(b) of the Exchange Act, an evaluation as of September 30, 2017 was conducted under the supervision and with the participation of our management, including our chief executive officer and chief financial officer, of the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act). Based on this evaluation, our chief executive officer and chief financial officer concluded that our disclosure controls and procedures, as of September 30, 2017, were effective at the reasonable assurance level.

Changes in Internal Control Over Financial Reporting

There were no changes in our internal controls over financial reporting during the fiscal quarter ended September 30, 2017, or in other factors that could significantly affect these controls, that materially affected, or are reasonably likely to materially affect, our internal controls over financial reporting.

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PART II

OTHER INFORMATION

Item 1. Legal Proceedings.

In the ordinary course of business, we may become subject to litigation or claims. We are not aware of any material pending legal proceedings, other than ordinary routine litigation incidental to our business, to which we are a party or to which our properties are subject.

Item 1A. Risk Factors.

Not applicable.

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

None.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

None.

Item 5. Other Information.

None.

Item 6. Exhibits.

The following exhibits are included, or incorporated by reference, in this Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2017 (and are numbered in accordance with Item 601 of Regulation S-K):

Exhibit No.	Description
2.1	Asset Purchase Agreement, dated as of January 31, 2014, made between M-tron Industries, Inc. and Trilithic, Inc. (incorporated by reference to Exhibit 2.1 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on May 15, 2014).
3.1	Certificate of Incorporation of The LGL Group, Inc. (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the SEC on August 31, 2007).
3.2	The LGL Group, Inc. By-Laws (incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K filed with the SEC on August 31, 2007).
3.3	The LGL Group, Inc. Amendment No. 1 to By-Laws (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed with the SEC on June 17, 2014).
4.1	Warrant Agreement, dated as of July 30, 2013, by and among The LGL Group, Inc., Computershare Inc. and Computershare Trust Company, N.A. (incorporated by reference to Exhibit 4.1 to the Company's Quarterly Report on Form 10-Q filed with the SEC on August 14, 2013).
4.2	Form of Subscription and Information Agent Agreement by and between The LGL Group, Inc. and Broadridge Corporate Issuer Solutions, Inc. (incorporated by reference to Exhibit 4.2 to Amendment No. 1 to the Company’s Registration Statement on Form S-1 (File No. 333-218901) filed with the SEC on August 21, 2017).
4.3	Form of Transferable Subscription Rights Certificate (incorporated by reference to Exhibit 4.3 to Amendment No. 1 to the Company’s Registration Statement on Form S-1 (File No. 333-218901) filed with the SEC on August 21, 2017).
31.1*	Certification of the Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of the Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification of the Principal Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certification of the Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS*	XBRL Instance Document
101.SCH*	XBRL Taxonomy Extension Schema Document

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101.CAL*	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*	XBRL Taxonomy Extension Label Linkbase Document
101.PRE*	XBRL Taxonomy Extension Presentation Linkbase Document

____________

* Filed herewith

** In accordance with Item 601(b)(32) of Regulation S-K, this Exhibit is not deemed "filed" for purposes of Section 18 of the Exchange Act or otherwise subject to the liabilities of that section. Such certifications will not be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act, except to the extent that the registrant specifically incorporates it by reference.

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SIGNATURES

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

	THE LGL GROUP, INC.
Date:November 6, 2017	By:	/s/ Michael J. Ferrantino, Sr.
		Michael J. Ferrantino, Sr.
		President and Chief Executive Officer (Principal Executive Officer)
Date:November 6, 2017	By:	/s/ Patti A. Smith
		Patti A. Smith
		Chief Financial Officer (Principal Financial and Accounting Officer)

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EX-31.1

Exhibit 31.1

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Michael J. Ferrantino, Sr., certify that:

1. I have reviewed this quarterly report on Form 10-Q of The LGL Group, Inc. for the quarterly period ended September 30, 2017;

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

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

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal 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 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.

November 6, 2017	/s/ Michael J. Ferrantino, Sr.
	Name:	Michael J. Ferrantino, Sr.
	Title:	President and Chief Executive Officer (Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Patti A. Smith, certify that:

1. I have reviewed this quarterly report on Form 10-Q of The LGL Group, Inc. for the quarterly period ended September 30, 2017;

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

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

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal 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 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.

November 6, 2017	/s/ Patti A. Smith
	Name:	Patti A. Smith
	Title:	Chief Financial Officer (Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of The LGL Group, Inc., (the “Company”) on Form 10-Q for the quarterly period ended September 30, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael J. Ferrantino, Sr., Principal Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1. The Report 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 Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

November 6, 2017	/s/ Michael J. Ferrantino, Sr.
	Name:	Michael J. Ferrantino, Sr.
	Title:	President and Chief Executive Officer (Principal Executive Officer)

EX-32.2

Exhibit 32.2

CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of The LGL Group, Inc., (the “Company”) on Form 10-Q for the quarterly period ended September 30, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Patti A. Smith, Principal Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1. The Report 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 Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

November 6, 2017	/s/ Patti A. Smith
	Name:	Patti A. Smith
	Title:	Chief Financial Officer (Principal Financial Officer)

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Nov. 03, 2017
Document And Entity Information [Abstract]
Entity Registrant Name	LGL GROUP INC
Entity Central Index Key	0000061004
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		2,675,465
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017

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Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 1,976,000	$ 2,778,000
Marketable securities	3,787,000	2,770,000
Accounts receivable, net of allowances of $27 and $31, respectively	3,237,000	3,504,000
Inventories, net	3,907,000	3,638,000
Prepaid expenses and other current assets	214,000	200,000
Total Current Assets	13,121,000	12,890,000
Property, plant and equipment:
Land	536,000	633,000
Buildings and improvements	3,973,000	3,966,000
Machinery and equipment	16,959,000	16,849,000
Gross property, plant and equipment	21,468,000	21,448,000
Less: accumulated depreciation	(19,201,000)	(18,737,000)
Net property, plant, and equipment	2,267,000	2,711,000
Intangible assets, net	572,000	628,000
Deferred income taxes, net	202,000	214,000
Other assets, net	337,000	203,000
Total Assets	16,499,000	16,646,000
Current Liabilities:
Accounts payable	1,278,000	1,525,000
Accrued compensation and commissions	881,000	942,000
Other accrued expenses	251,000	288,000
Total Current Liabilities	2,410,000	2,755,000
Commitments and Contingencies (Note L)
Stockholders’ Equity
Common stock, $0.01 par value - 10,000,000 shares authorized; 2,757,049 shares issued and 2,675,465 shares outstanding at September 30, 2017 and December 31, 2016	27,000	27,000
Additional paid-in capital	29,195,000	29,173,000
Accumulated deficit	(14,578,000)	(14,726,000)
Treasury stock, 81,584 shares held in treasury at cost at September 30, 2017 and December 31, 2016	(580,000)	(580,000)
Accumulated other comprehensive income (loss)	25,000	(3,000)
Total Stockholders' Equity	14,089,000	13,891,000
Total Liabilities and Stockholders' Equity	$ 16,499,000	$ 16,646,000

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current Assets:
Accounts receivable, allowances	$ 27	$ 31
Stockholders’ Equity
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	2,757,049	2,757,049
Common stock, shares outstanding (in shares)	2,675,465	2,675,465
Treasury stock, (in shares)	81,584	81,584

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Condensed Consolidated Statements of Operations - Unaudited - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
REVENUES	$ 5,262	$ 5,128	$ 16,745	$ 15,115
Costs and expenses:
Manufacturing cost of sales	3,513	3,353	11,063	10,069
Engineering, selling and administrative	1,748	1,803	5,529	5,210
OPERATING INCOME (LOSS)	1	(28)	153	(164)
Other Income (Expense):
Interest expense, net	(6)	(7)	(17)	(20)
Other income, net	24	67	42	105
Total Other Income	18	60	25	85
INCOME (LOSS) BEFORE INCOME TAXES	19	32	178	(79)
Income tax (provision) benefit	(2)		(30)	1
NET INCOME (LOSS)	$ 17	$ 32	$ 148	$ (78)
Basic per share information:
Weighted average shares outstanding	2,675,465	2,665,189	2,675,465	2,665,352
Net income (loss)	$ 0.01	$ 0.01	$ 0.06	$ (0.03)
Diluted per share information:
Weighted average shares outstanding	2,689,911	2,665,831	2,688,544	2,665,352
Net income (loss)	$ 0.01	$ 0.01	$ 0.06	$ (0.03)

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Condensed Consolidated Statements of Comprehensive Income (Loss) - Unaudited - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 17	$ 32	$ 148	$ (78)
Other Comprehensive Income (Loss):
Unrealized (loss) gain on available-for-sale securities, net of taxes	(14)	6	28
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(14)	6	28
COMPREHENSIVE INCOME (LOSS)	$ 3	$ 38	$ 176	$ (78)

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Condensed Consolidated Statement of Stockholder's Equity - Unaudited - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member]
Balance at Dec. 31, 2016	$ 13,891	$ 27	$ 29,173	$ (14,726)	$ (580)	$ (3)
Balance (in shares) at Dec. 31, 2016	2,675,465	2,675,465
Net income	$ 148			148
Other comprehensive income	28					28
Subscription rights (Note H)
Stock-based compensation	22		22
Balance at Sep. 30, 2017	$ 14,089	$ 27	$ 29,195	$ (14,578)	$ (580)	$ 25
Balance (in shares) at Sep. 30, 2017	2,675,465	2,675,465

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
OPERATING ACTIVITIES
NET INCOME (LOSS)	$ 148	$ (78)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	464	537
Amortization of finite-lived intangible assets	56	50
Gain on disposal of assets		(110)
Stock-based compensation	22	(4)
Gain on sale of marketable securities	(21)
Bargain purchase gain		(4)
Deferred income tax provision	12	0
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable, net	267	(450)
Increase in inventories, net	(269)	(121)
Increase in prepaid expenses and other assets	(148)	(36)
(Decrease) increase in accounts payable, accrued compensation and commissions and other accrued liabilities	(345)	484
Net cash provided by operating activities	186	268
INVESTING ACTIVITIES
Purchase of marketable securities	(1,002)	0
Acquisition of a business		(295)
Proceeds from sale of marketable securities	34
Capital expenditures	(20)	(112)
Other	0	43
Net cash used in investing activities	(988)	(364)
FINANCING ACTIVITIES
Purchase of treasury stock		(4)
Net cash used in financing activities		(4)
Decrease in cash and cash equivalents	(802)	(100)
Cash and cash equivalents at beginning of period	2,778	5,553
Cash and cash equivalents at end of period	1,976	5,453
Supplemental Disclosure:
Cash paid for interest	23	17
Cash paid for income taxes	$ 26	$ 38

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Subsidiaries of the Registrant

9 Months Ended

Sep. 30, 2017

Subsidiaries Of Registrant [Abstract]

Subsidiaries of the Registrant

A. Subsidiaries of the Registrant

The LGL Group, Inc. (the "Company"), incorporated in 1928 under the laws of the State of Indiana and reincorporated under the laws of the State of Delaware in 2007, is a holding company with subsidiaries engaged in the designing, manufacturing and marketing of highly-engineered, highreliability frequency and spectrum control products used to control the frequency or timing of signals in electronic circuits, and in the design of high performance Frequency and Time Reference Standards that form the basis for timing and synchronization in various applications.

As of September 30, 2017, the subsidiaries of the Company were as follows:  

	Owned By The LGL Group, Inc.
M-tron Industries, Inc.		100.0%
Piezo Technology, Inc.		100.0%
Piezo Technology India Private Ltd.		99.0%
M-tron Asia, LLC		100.0%
M-tron Industries, Ltd.		100.0%
GC Opportunities Ltd.		100.0%
M-tron Services, Ltd.		100.0%
Precise Time and Frequency, LLC		100.0%
Lynch Systems, Inc.		100.0%

The Company operates through its two principal subsidiaries, M-tron Industries, Inc. (“MtronPTI”), which includes the operations of Piezo Technology, Inc. ("PTI") and M-tron Asia, LLC ("Mtron"), and Precise Time and Frequency, LLC ("PTF"), a subsidiary formed to hold the assets of Precise Time and Frequency, Inc. acquired September 2, 2016. Additionally, the Company operates in two identified segments. The first segment, the electronic components segment, is focused on the design and manufacture of highly-engineered, high reliability frequency and spectrum control products.  These electronic components ensure reliability and security in aerospace and defense communications, low noise and base accuracy for laboratory instruments, and synchronous data transfers throughout the wireless and Internet infrastructure. The second segment, the electronic instruments segment, is focused on the design and manufacture of high performance Frequency and Time Reference Standards that form the basis for timing and synchronization in various applications. The Company has operations in Orlando, Florida, Yankton, South Dakota, Wakefield, Massachusetts and Noida, India and sales offices in Sacramento, California, Austin, Texas and Hong Kong.

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Basis of Presentation

9 Months Ended

Sep. 30, 2017

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Basis of Presentation

B. Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and the instructions to Form 10-Q and Rule 8-03 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2017 are not necessarily indicative of the results that may be expected for the full year ending December 31, 2017.

This interim information should be read in conjunction with the audited consolidated financial statements and related notes thereto set forth in the Company's Annual Report on Form 10-K for the year ended December 31, 2016, filed with the Securities and Exchange Commission (the "SEC") on March 29, 2017, as amended. The accompanying unaudited condensed consolidated financial statements should also be read in conjunction with Management's Discussion and Analysis of Financial Condition and Results of Operations contained in this Quarterly Report on Form 10-Q.

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Inventories

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventories

C. Inventories

Inventories are valued at the lower of cost or net realizable value using the FIFO (first-in, first-out) method. The Company reduces the value of its inventories to net realizable value when the net realizable value is believed to be less than the cost of the item.  The inventory reserve for obsolescence as of September 30, 2017 and December 31, 2016 was $2,819,000 and $2,773,000, respectively.

Inventories are comprised of the following (in thousands):

	September 30, 2017		December 31, 2016
Raw materials	$	1,501	$	1,408
Work in process		1,568		1,306
Finished goods		838		924
Total Inventories, net	$	3,907	$	3,638

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Intangible Assets

9 Months Ended

Sep. 30, 2017

Intangible Assets Net Excluding Goodwill [Abstract]

Intangible Assets

D. Intangible Assets

Intangible assets are recorded at cost less accumulated amortization which is included in engineering, selling and administrative expenses in the accompanying unaudited condensed consolidated statements of operations. Amortization is computed for financial reporting purposes using the straight-line method over the estimated useful lives of the assets, which range up to 10 years. The intangible assets consist of intellectual property and goodwill. The net carrying value of the amortizable intangible assets was $532,000 and $588,000 as of September 30, 2017 and December 31, 2016, respectively. Goodwill, which is not amortizable, was $40,000 as of September 30, 2017 and December 31, 2016.

The estimated aggregate amortization expense for intangible assets, excluding goodwill, for the remaining portion of 2017 and each of the four succeeding years and thereafter is as follows (in thousands):

2017	$	19
2018		75
2019		75
2020		75
2021		75
Thereafter		213
Total	$	532

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CNB Loan

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

CNB Loan

E. CNB Loan

On September 30, 2016, MtronPTI renewed its Loan Agreement (the “CNB Loan Agreement”) with City National Bank of Florida (“City National”). The CNB Loan Agreement provides for a revolving line of credit in the amount of $3.0 million (the “CNB Revolver”), which bears interest at a variable rate equal to the 30-day London Interbank Offered Rate (“LIBOR”) plus 200 basis points to be set on the first day of each month, and expires on September 30, 2018. The CNB Loan Agreement also provides that MtronPTI will pay City National a fee equal to 0.75% per year on the daily unused amount. The Company's obligations under the CNB Loan Agreement are secured only by cash collateral and do not require any other liens.

As of September 30, 2017 and December 31, 2016, there was no balance outstanding under the CNB Revolver and no associated restricted cash.

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation

F. Stock-Based Compensation

The Company measures the cost of employee services in exchange for an award of equity instruments based on the grant-date fair value of the award and recognizes the cost over the requisite service period, typically the vesting period.

The Company estimates the fair value of stock options on the grant date using the Black-Scholes-Merton option-pricing model. The Black-Scholes-Merton option-pricing model requires subjective assumptions, including future stock price volatility and expected time to exercise, which greatly affect the calculated values. There is no expected dividend rate. Historical Company information was the basis for the expected volatility assumption as the Company believes that the historical volatility is indicative of expected volatility over the life of the option. The risk-free interest rate is based on the U.S. Treasury zero-coupon rates with a remaining term equal to the expected term of the option.

Restricted stock awards are made at a value equal to the market price of the Company's common stock on the date of the grant.

Compensation expense related to share-based compensation is recognized over the applicable vesting periods. As of September 30, 2017, there was approximately $43,000 of total unrecognized compensation expense related to unvested share-based compensation arrangements that will be recognized over a weighted average period of 1.9 years.

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Net Income (Loss) Per Share

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Net Income (Loss) Per Share

G. Net Income (Loss) Per Share

The Company computes net income (loss) per share in accordance with Accounting Standards Codification ("ASC") 260, Earnings Per Share ("ASC 260").  Basic net income (loss) per share is computed by dividing net income (loss) by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share adjusts basic income (loss) per share for the effects of stock options, non-participating restricted common stock, and other potentially dilutive financial instruments, only in the periods in which the effects are dilutive. Shares of restricted stock granted to members of the Company’s board of directors (the “Board”) as a portion of their director fees are deemed to be participating as defined by ASC 260 and therefore are included in the computation of basic income (loss) per share.

For the three and nine months ended September 30, 2017, there were options to purchase 60,135 shares and 105,135 shares, respectively, of the Company's common stock and warrants to purchase 519,241 shares of common stock that were excluded from the diluted income (loss) per share computation because the impact of the assumed exercise of such stock options would have been anti-dilutive during the respective periods. For the three and nine months ended September 30, 2016, there were options to purchase 130,554 shares and 139,902 shares, respectively, of the Company’s common stock and warrants to purchase 519,241 shares of common stock that were excluded from the diluted income (loss) per share computation because the impact of the assumed exercise of such stock options and warrants would have been anti-dilutive.

The following table reconciles basic weighted average shares outstanding to diluted weighted average shares outstanding for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Weighted average shares outstanding - basic		2,675,465		2,665,189		2,675,465		2,665,352
Effect of diluted securities		14,446		642		13,079		—
Weighted average shares outstanding - diluted		2,689,911		2,665,831		2,688,544		2,665,352

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Stockholders' Equity

9 Months Ended

Sep. 30, 2017

Stockholders Equity Note [Abstract]

Stockholders' Equity

H. Stockholders’ Equity

Share Repurchase Program

On August 29, 2011, the Board authorized the Company to repurchase up to 100,000 shares of its common stock in accordance with applicable securities laws. This authorization increased the total number of shares authorized and available for repurchase under the Company's existing share repurchase program to 540,000 shares, at such times, amounts and prices as the Company shall deem appropriate. As of September 30, 2017, the Company had repurchased a total of 81,584 shares of common stock at a cost of $580,000, which shares are currently held in treasury.

Rights Offering

Pursuant to a Registration Statement on Form S-1 (Registration No. 333-218901) under the Securities Act of 1933, as amended (the "Securities Act"), and declared effective by the SEC on September 5, 2017, the Company distributed, at no charge, to the holders of the Company’s common stock, as of September 5, 2017 three transferable subscription rights for each share of common stock then owned (the “Rights Offering”). Each subscription right entitles the holder to purchase one-fourth of a share of common stock at a subscription price of $5.50 per whole share of common stock.

The Rights Offering also includes an over-subscription right, which entitles a stockholder who exercises all of their basic subscription rights in full  the right to purchase additional shares of common stock that remain unsubscribed at the expiration of the Rights Offering, subject to availability, at the same $5.50 per whole share subscription price.  If the number of unsubscribed shares is not sufficient to satisfy all of the properly exercised over-subscription rights requests, the available shares will be prorated among those who properly exercised over-subscription rights in proportion to their respective basic subscription rights.

The initial subscription period for stockholders to exercise their subscription rights was to expire on October 10, 2017.  On October 5, 2017, the Company extended the expiration of the offering period to October 25, 2017, and on October 23, 2017, the Company further extended the expiration of the offering period to November 13, 2017.

The Company estimated the fair value of the subscription rights using the Black-Scholes-Merton option-pricing model. The Black-Scholes-Merton pricing model requires subjective assumptions, including future stock price volatility and expected time to exercise, which greatly affect the calculated values. There is no expected dividend rate. Historical Company information was the basis for the expected volatility assumption. The risk-free interest rate is based on the U.S. Treasury zero-coupon rates with a remaining term comparable to the expected term of the subscription rights. The Company estimated the fair value of the subscription rights to be approximately $10,000 and, because retained earnings were in a deficit position for the three and nine months ending September 30, 2017, it has been recorded as a debit and credit to additional paid in capital with a net impact of $0.

The shares issued in connection with the Rights Offering will be listed on the NYSE American, and the subscription rights are expected to trade on the NYSE American until the day before the expiration of the subscription period.

The Company intends to use the net proceeds from the Rights Offering as additional capital for general corporate purposes and for acquisitions and new business development broadly, including industries and businesses outside the scope of existing operations, although it has not identified any specific acquisitions or business development opportunities at this time.

The Company reserves the right to modify, extend, postpone or cancel the Rights Offering at any time prior to the settlement of the sale of the shares in the Rights Offering.

Warrants

On August 6, 2013, the Company distributed warrants to purchase shares of the Company's common stock as a dividend to holders of the Company's common stock as of July 29, 2013, the record date for the dividend. Stockholders received five warrants for each share of the Company's common stock owned on the record date. When exercisable, 25 warrants will entitle the holder to purchase one share of the Company's common stock at an exercise price of $7.50 per share (subject to adjustment).

The warrants are "European style warrants" and will only become exercisable on the earlier of (i) their expiration date, August 6, 2018, and (ii) such date that the 30-day volume weighted average price per share, or VWAP, of the Company's common stock is greater than or equal to $15.00 (subject to adjustment). Once the warrants become exercisable, they may be exercised in accordance with the terms of the warrant agreement between the Company and the warrant agent until their expiration at 5:00 p.m., Eastern Time, on the expiration date.

The warrants are quoted on the over-the-counter market under the symbol "LGLPW."

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Fair Value Measurements

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements

I. Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date.  Fair value guidance identifies three primary valuation techniques: the market approach, the income approach and the cost approach.  The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities.  The income approach uses valuation techniques to convert future amounts such as cash flows or earnings, to a single present amount. The measurement is based on the value indicated by current market expectations about those future amounts.  The cost approach is based on the amount that currently would be required to replace the service capacity of an asset.

The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The fair value hierarchy gives the highest priority to observable inputs such as quoted prices in active markets for identical assets or liabilities (Level 1) and the lowest priority to unobservable inputs (Level 3).  The maximization of observable inputs and the minimization of the use of unobservable inputs are required.

Classification within the fair value hierarchy is based upon the objectivity of the inputs that are significant to the valuation of an asset or liability as of the measurement date.  The three levels within the fair value hierarchy are characterized as follows:

Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.

Level 2 - Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include:  quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Level 3 - Unobservable inputs for the asset or liability for which there is little, if any, market activity for the asset or liability at the measurement date. Unobservable inputs reflect the Company's own assumptions about what market participants would use to price the asset or liability. These inputs may include internally developed pricing models, discounted cash flow methodologies, as well as instruments for which the fair value determination requires significant management judgment.

Assets

To estimate the market value of its marketable securities, the Company obtains current market pricing from quoted market sources or uses pricing for identical securities. Assets measured at fair value on a recurring basis are summarized below (in thousands).

	Level 1		Level 2		Level 3		Total September 30, 2017
Marketable Securities (equity securities)	$	3,787	$	—	$	—	$	3,787

	Level 1		Level 2		Level 3		Total December 31, 2016
Marketable Securities (equity securities)	$	2,770	$	—	$	—	$	2,770
U.S. Treasury securities (cash equivalents)	$	1,002	$	—	$	—	$	1,002

There were no transfers from level 2 to level 3 during the periods presented. There were no level 2 or 3 assets as of September 30, 2017 or December 31, 2016. The Company also has assets that may be subject to measurement at fair value on a non-recurring basis, including goodwill and intangible assets, and other long-lived assets. There were no liabilities subject to fair value on a non-recurring or recurring basis as of September 30, 2017 and December 31, 2016.

The Company reviews goodwill and the carrying value of long-lived assets at least annually or whenever events and circumstances indicate that the carrying amounts of the assets may not be recoverable. If it is determined that the assets are impaired, the carrying value would be reduced to estimated fair value.

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Segment Information

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Segment Information

J. Segment Information

The Company has two reportable business segments from operations: electronic components, which includes all products manufactured and sold by MtronPTI, and electronic instruments, which includes all products manufactured and sold by PTF. The Company's foreign operations in Hong Kong and India are subsidiaries of MtronPTI.

Operating income (loss) is equal to revenues less cost of sales and operating expenses, excluding investment income, interest expense, and income taxes.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(in thousands)						(in thousands)
Revenues from Operations
Electronic components	$	5,080		$	5,114		$	16,097		$	15,101
Electronic instruments		182			14			648			14
Total consolidated revenues	$	5,262			5,128		$	16,745			15,115
Operating Income (Loss) from Operations
Electronic components	$	321		$	279		$	1,127		$	617
Electronic instruments		(9	)		(54	)		39			(54	)
Unallocated corporate expense		(311	)		(253	)		(1,013	)		(727	)
Consolidated operating income (loss)		1			(28	)		153			(164	)
Interest expense, net		(6	)		(7	)		(17	)		(20	)
Other income, net		24			67			42			105
Total other income		18			60			25			85
Income (Loss) Before Income Taxes	$	19		$	32		$	178		$	(79	)

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Foreign Revenues

9 Months Ended

Sep. 30, 2017

Revenues [Abstract]

Foreign Revenues

K. Domestic and Foreign Revenues

For the three months ended September 30, 2017 and 2016, domestic revenues were $3,979,000 and $3,779,000, respectively, and foreign revenues were $1,283,000 and $1,349,000, respectively. For the nine months ended September 30, 2017 and 2016, domestic revenues were $11,845,000 and $11,033,000, respectively, and foreign revenues were $4,900,000 and $4,082,000, respectively. Significant foreign revenues from operations (10% or more of foreign sales) were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(in thousands)					(in thousands)
Malaysia	$	696	$	694	$	2,284	$	2,202
All other foreign countries		587		655		2,616		1,880
Total foreign revenues	$	1,283	$	1,349	$	4,900	$	4,082
Total domestic revenue	$	3,979	$	3,779	$	11,845	$	11,033

The Company allocates its foreign revenue based on the customer's ship-to location.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2017

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

L. Commitments and Contingencies

In the ordinary course of business, the Company and its subsidiaries may become defendants in certain product liability, patent infringement, worker claims and other litigation.  The Company records a liability when it is probable that a loss has been incurred and the amount is reasonably estimable.

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Related Party Transactions

9 Months Ended

Sep. 30, 2017

Related Party Transactions [Abstract]

Related Party Transactions

M. Related Party Transactions

As of September 30, 2017 and December 31, 2016, approximately $3,778,000 and $2,714,000, respectively, was invested in a market neutral mutual fund which is included in marketable securities on the accompanying balance sheet. As of December 31, 2016, approximately $1,002,000 was also invested in a United States Treasury money market fund which is included in cash and cash equivalents on the accompanying balance sheet. Both the market neutral mutual fund and the United States Treasury money market fund are managed by a related entity (the "Fund Manager"), which is related through a common director. One of the Company's directors, who is also a 10% stockholder, currently serves as an executive officer of the Fund Manager. The fund transactions for the nine months ended September 30, 2017 and for the year-ended December 31, 2016 were directed solely at the discretion of the Company’s management.

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Recently Issued Accounting Pronouncements

9 Months Ended

Sep. 30, 2017

New Accounting Pronouncements And Changes In Accounting Principles [Abstract]

Recently Issued Accounting Pronouncements

N.Recently Issued Accounting Pronouncements

In August 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2016-15, “Statement of Cash Flows – (Topic 230): Classification of Certain Cash Receipts and Cash Payments” (“ASU 2016-15”). ASU 2016-15 addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. ASU 2016-15 is effective for fiscal years, and for interim periods within those years, beginning after December 15, 2017.  Early application is permitted.  The Company is currently evaluating the potential effect of ASU 2016-15 on its consolidated financial statements.

In March 2016, the FASB issued ASU No. 2016-09, "Compensation – Stock Compensation (Topic 718): Improvements to Employee Share–Based Payment Accounting" ("ASU 2016-09"). ASU 2016-9 simplifies the accounting for share–based payment award transactions including: income tax consequences, classification of awards as either equity or liabilities and classification on the statement of cash flows. The adoption of ASU 2016–09 did not have a material impact on the Company’s consolidated financial statements.

In February 2016, the FASB issued ASU No. 2016–02, "Leases (Topic 842)" (“ASU 2016-02”). The objective of this update is to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018, including interim periods within those annual periods and is to be applied utilizing a modified retrospective approach. The Company does not expect this standard to have a material impact on its consolidated financial statements because there are no material operating leases.

In January 2016, the FASB issued ASU No. 2016-01, "Financial Instruments – Recognition and Measurement of Financial Assets and Financial Liabilities(Topic 825)" ("ASU 2016-01"). ASU 2016-01 revises the classification and measurement of investments in certain equity investments and the presentation of certain fair value changes for certain financial liabilities measured at fair value.  ASU No. 2016-01 requires the change in fair value of many equity investments to be recognized in net income.  ASU 2016-01 is effective for interim and annual periods beginning after December 15, 2017, with early adoption permitted.   Adopting ASU 2016-01 may result in a cumulative effect adjustment to the Company's retained earnings as of the beginning of the year of adoption.  The Company is currently evaluating the potential effects of adopting the provisions of ASU 2016-01.

In November 2015, the FASB issued ASU No. 2015-17 "Income Taxes (Topic 740): Balance Sheet Classification of Deferred Taxes" (ASU 2015-17”) which simplifies the presentation of deferred income taxes. Under the new accounting standard, deferred tax assets and liabilities are required to be classified as noncurrent, eliminating the prior requirement to separate deferred tax assets and liabilities into current and noncurrent. The adoption of ASU 2015-17 did not have a material impact on the Company’s consolidated financial statements.

In August 2014, the FASB issued ASU No. 2014-15, "Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern" ("ASU 2014-15"), which provides guidance on determining when and how to disclose going concern uncertainties in the financial statements. The new standard requires management to perform interim and annual assessments of an entity's ability to continue as a going concern within one year of the date the financial statements are issued. An entity must provide certain disclosures if conditions or events raise substantial doubt about the entity's ability to continue as a going concern. ASU 2014-15 applies to all entities and is effective for annual periods ending after December 15, 2016, and interim periods thereafter, with early adoption permitted. The Company has adopted ASU 2014-15 as of December 31, 2016 and it did not have a material impact on the Company’s financial statements.

In May 2014, the FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers” ("ASU 2014-09"), also known as the "New Revenue Standard." This update is the result of a collaborative effort by the FASB and the International Accounting Standards Board to simplify revenue recognition guidance, remove inconsistencies in the application of revenue recognition, and to improve comparability of revenue recognition practices across entities, industries, jurisdictions, and capital markets.  The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to receive for those goods or services. The New Revenue Standard is applied through the following five-step process:

1.  Identify the contract(s) with a customer.

2.  Identify the performance obligations in the contract.

3.  Determine the transaction price.

4.  Allocate the transaction price to the performance obligations in the contract.

5.  Recognize revenue when (or as) the entity satisfies a performance obligation.

For a public entity, this update is effective for annual and interim reporting periods beginning after December 15, 2017 with early adoption permitted.  This standard can be applied on either a retrospective or modified retrospective approach. Through the course of 2016, a number of ASU's had been issued which further refine the original guidance issued under ASU 2014-09 and are effective in conjunction with this original standard.

We have established an implementation approach to assess the impact of the new revenue guidance on our operations, consolidated financial statements and related disclosures. To date, this assessment has included (1) performing contract analyses for each revenue stream identified, (2) assessing the noted differences in recognition and measurement that may result from adopting this new standard, (3) performing detailed analyses of contracts with large customers, and (4) performing transaction level testing  for consistency with contract provisions that affect revenue recognition. Based on the preliminary results of the evaluation, which is still in process, nothing has come to our attention that would indicate that adoption of the new standard will have a material impact on our consolidated financial statements.

Further, we are in the process of evaluating and designing the necessary changes to our business processes, policies, systems and controls to support recognition and disclosure under the new standard. Further, we are continuing to assess what incremental disaggregated revenue disclosures will be required in our consolidated financial statements.

No other new accounting pronouncements issued or effective during the nine months ended September 30, 2017 have had or are expected to have a material impact on the Company's consolidated financial statements.

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Subsidiaries of the Registrant (Tables)

9 Months Ended

Sep. 30, 2017

Subsidiaries Of Registrant [Abstract]

Subsidiaries of the Company

As of September 30, 2017, the subsidiaries of the Company were as follows:  

	Owned By The LGL Group, Inc.
M-tron Industries, Inc.		100.0%
Piezo Technology, Inc.		100.0%
Piezo Technology India Private Ltd.		99.0%
M-tron Asia, LLC		100.0%
M-tron Industries, Ltd.		100.0%
GC Opportunities Ltd.		100.0%
M-tron Services, Ltd.		100.0%
Precise Time and Frequency, LLC		100.0%
Lynch Systems, Inc.		100.0%

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Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories are comprised of the following (in thousands):

	September 30, 2017		December 31, 2016
Raw materials	$	1,501	$	1,408
Work in process		1,568		1,306
Finished goods		838		924
Total Inventories, net	$	3,907	$	3,638

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Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Intangible Assets Net Excluding Goodwill [Abstract]

Future Amortization Expense for Intangible Assets Excluding Goodwill

The estimated aggregate amortization expense for intangible assets, excluding goodwill, for the remaining portion of 2017 and each of the four succeeding years and thereafter is as follows (in thousands):

2017	$	19
2018		75
2019		75
2020		75
2021		75
Thereafter		213
Total	$	532

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Net Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Reconciliation of Basic to Diluted Weighted Average Shares Outstanding

The following table reconciles basic weighted average shares outstanding to diluted weighted average shares outstanding for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Weighted average shares outstanding - basic		2,675,465		2,665,189		2,675,465		2,665,352
Effect of diluted securities		14,446		642		13,079		—
Weighted average shares outstanding - diluted		2,689,911		2,665,831		2,688,544		2,665,352

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Assets measured at fair value on recurring basis

Assets measured at fair value on a recurring basis are summarized below (in thousands).

	Level 1		Level 2		Level 3		Total September 30, 2017
Marketable Securities (equity securities)	$	3,787	$	—	$	—	$	3,787

	Level 1		Level 2		Level 3		Total December 31, 2016
Marketable Securities (equity securities)	$	2,770	$	—	$	—	$	2,770
U.S. Treasury securities (cash equivalents)	$	1,002	$	—	$	—	$	1,002

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Operating income (loss)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(in thousands)						(in thousands)
Revenues from Operations
Electronic components	$	5,080		$	5,114		$	16,097		$	15,101
Electronic instruments		182			14			648			14
Total consolidated revenues	$	5,262			5,128		$	16,745			15,115
Operating Income (Loss) from Operations
Electronic components	$	321		$	279		$	1,127		$	617
Electronic instruments		(9	)		(54	)		39			(54	)
Unallocated corporate expense		(311	)		(253	)		(1,013	)		(727	)
Consolidated operating income (loss)		1			(28	)		153			(164	)
Interest expense, net		(6	)		(7	)		(17	)		(20	)
Other income, net		24			67			42			105
Total other income		18			60			25			85
Income (Loss) Before Income Taxes	$	19		$	32		$	178		$	(79	)

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Domestic and Foreign Revenues (Tables)

9 Months Ended

Sep. 30, 2017

Revenues [Abstract]

Significant foreign revenues from operations

For the three months ended September 30, 2017 and 2016, domestic revenues were $3,979,000 and $3,779,000, respectively, and foreign revenues were $1,283,000 and $1,349,000, respectively. For the nine months ended September 30, 2017 and 2016, domestic revenues were $11,845,000 and $11,033,000, respectively, and foreign revenues were $4,900,000 and $4,082,000, respectively. Significant foreign revenues from operations (10% or more of foreign sales) were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(in thousands)					(in thousands)
Malaysia	$	696	$	694	$	2,284	$	2,202
All other foreign countries		587		655		2,616		1,880
Total foreign revenues	$	1,283	$	1,349	$	4,900	$	4,082
Total domestic revenue	$	3,979	$	3,779	$	11,845	$	11,033

The Company allocates its foreign revenue based on the customer's ship-to location.

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Subsidiaries of the Registrant (Details)	9 Months Ended
	Sep. 30, 2017 Segment
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Number of operating segments	2
M-tron Industries, Inc. [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	100.00%
Piezo Technology, Inc. [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	100.00%
Piezo Technology India Private Ltd. [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	99.00%
M-tron Asia LLC [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	100.00%
M-tron Industries, Ltd. [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	100.00%
GC Opportunities Ltd. [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	100.00%
M-tron Services Ltd [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	100.00%
Precise Time and Frequenc, LLC [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	100.00%
Date of acquisition	Sep. 02, 2016
Lynch Systems, Inc. [Member]
Subsidiaries Of Entity By Ownership Percentage [Abstract]
Owned by The LGL Group, Inc.	100.00%

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Inventories (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Classification of inventories [Abstract]
Raw materials	$ 1,501,000	$ 1,408,000
Work in process	1,568,000	1,306,000
Finished goods	838,000	924,000
Total Inventories, net	3,907,000	3,638,000
Inventory reserve for obsolescence	$ 2,819,000	$ 2,773,000

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Intangible Assets (Details) - USD ($)	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Intangible Assets [Abstract]
Intangible assets carrying value	$ 532,000	$ 588,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Goodwill	40,000	40,000
2017	19,000
2018	75,000
2019	75,000
2020	75,000
2021	75,000
Thereafter	213,000
Total	$ 532,000	$ 588,000
Maximum [Member]
Intangible Assets [Abstract]
Estimated useful life	10 years

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CNB Loan (Details) - CNB Revolver [Member] - USD ($)		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Line of credit	$ 3,000,000
Debt instrument maturity date		Sep. 30, 2018
Percentage of commitment fee on unused capacity	0.75%
Line of credit facility amount outstanding		$ 0	$ 0
Line of credit facility associated restricted cash		$ 0	$ 0
30-day LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%

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Stock-Based Compensation (Details)	9 Months Ended
	Sep. 30, 2017 USD ($)
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Unrecognized compensation expense	$ 43,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 10 months 25 days

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Net Income (Loss) Per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average shares outstanding - basic	2,675,465	2,665,189	2,675,465	2,665,352
Effect of diluted securities	14,446	642	13,079	0
Weighted average shares outstanding - diluted	2,689,911	2,665,831	2,688,544	2,665,352
Options [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Securities excluded from the diluted earnings per share computation (in shares)	60,135	130,554	105,135	139,902
Warrant [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Securities excluded from the diluted earnings per share computation (in shares)	519,241	519,241	519,241	519,241

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Stockholders' Equity (Details)			9 Months Ended
	Oct. 23, 2017	Oct. 05, 2017	Sep. 30, 2017 USD ($) $ / shares shares	Sep. 05, 2017 USD ($) SubscriptionRight $ / shares	Dec. 31, 2016 USD ($) shares	Aug. 29, 2011 shares
Equity Class Of Treasury Stock [Line Items]
Number of shares authorized and available for repurchase (in shares)			540,000			100,000
Treasury stock, shares (in shares)			81,584		81,584
Value of repurchased common stock | $			$ 580,000		$ 580,000
Distribution charge of common stock transferable subscription rights | $				$ 0
Number of transferable subscription rights for each common stock owned | SubscriptionRight				3
Percentage of share of common stock holder is entitled to purchase by each subscription right				0.25%
Common stock subscription price | $ / shares				$ 5.50
Initial subscription rights period, expiration date			Oct. 10, 2017
Estimated fair value of subscription rights | $			$ 10,000
Adjustments to additional paid in capital net impact of subscription rights fair value | $			$ 0
Dividend declaration date			Aug. 06, 2013
Dividend date of record			Jul. 29, 2013
Number of warrants received for each share of common stock (in shares)			5
Number of warrants that entitle holder to purchase one share of common stock (in shares)			25
Number of common shares callable by warrants (in shares)			1
Warrant exercise price (in dollars per share) | $ / shares			$ 7.50
Minimum volume weighted average price per share (in dollars per share) | $ / shares			15.00
Subsequent Event [Member]
Equity Class Of Treasury Stock [Line Items]
Subscription rights extended expiration of offering period date	Nov. 13, 2017	Oct. 25, 2017
Over-subscription Right [Member]
Equity Class Of Treasury Stock [Line Items]
Common stock subscription price | $ / shares			$ 5.50

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Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value Assets Measured On Recurring Basis [Line Items]
Liabilities, fair value disclosure, non-recurring	$ 0	$ 0
Equity Securities [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value assets	3,787	2,770
U.S. Treasury Securities (Cash Equivalents) [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value assets		1,002
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value assets	3,787	2,770
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Treasury Securities (Cash Equivalents) [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value assets		1,002
Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value assets	0	0
Significant Other Observable Inputs (Level 2) [Member] | U.S. Treasury Securities (Cash Equivalents) [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value assets		0
Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value assets	$ 0	0
Significant Unobservable Inputs (Level 3) [Member] | U.S. Treasury Securities (Cash Equivalents) [Member]
Fair Value Assets Measured On Recurring Basis [Line Items]
Fair value assets		$ 0

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Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) Segment	Sep. 30, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of reportable business segments | Segment			2
Revenues from Operations
Revenues from operations	$ 5,262	$ 5,128	$ 16,745	$ 15,115
Operating Income (Loss) from Operations
Consolidated operating income (loss)	1	(28)	153	(164)
Interest expense, net	(6)	(7)	(17)	(20)
Other income, net	24	67	42	105
Total other income	18	60	25	85
Income (Loss) Before Income Taxes	19	32	178	(79)
Unallocated corporate expense [Member]
Operating Income (Loss) from Operations
Consolidated operating income (loss)	(311)	(253)	(1,013)	(727)
Electronic components [Member]
Revenues from Operations
Revenues from operations	5,080	5,114	16,097	15,101
Electronic components [Member] | Reportable Segment [Member]
Operating Income (Loss) from Operations
Consolidated operating income (loss)	321	279	1,127	617
Electronic instruments [Member]
Revenues from Operations
Revenues from operations	182	14	648	14
Electronic instruments [Member] | Reportable Segment [Member]
Operating Income (Loss) from Operations
Consolidated operating income (loss)	$ (9)	$ (54)	$ 39	$ (54)

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Foreign Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	$ 5,262	$ 5,128	$ 16,745	$ 15,115
Domestic [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	3,979	3,779	11,845	11,033
Foreign [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	1,283	1,349	$ 4,900	4,082
Foreign [Member] | Sales Revenue, Segment [Member] | Customer Concentration Risk [Member]
Entity Wide Revenue Major Customer [Line Items]
Portion of foreign sales			10.00%
Malaysia [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	696	694	$ 2,284	2,202
All other foreign countries [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	$ 587	$ 655	$ 2,616	$ 1,880

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Related Party Transactions (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($) Director	Dec. 31, 2016 USD ($)
Related Party Transactions [Abstract]
Amount invested in Mutual Fund	$ 3,778	$ 2,714
Amount invested in United States Treasury money market funds		$ 1,002
Number of common directors | Director	1
Percentage of stockholders controlling a related party	10.00%	10.00%