Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2018	10,523,035
Balance at Dec. 31, 2018	$ 105	$ 26,513	$ 15,683	$ 783	$ (204)	$ 42,880
Net earnings (loss)			1,138			1,138
Other comprehensive loss				(83)		(83)
Amortization of deferred compensation related to stock-based awards		183				183
Issuance of unvested shares of restricted stock (in shares)	80,300
Issuance of unvested shares of restricted stock	$ 1	(1)
Balance (in shares) at Mar. 31, 2019	10,603,335
Balance at Mar. 31, 2019	$ 106	26,695	16,821	700	(204)	$ 44,118
Balance (in shares) at Dec. 31, 2019	10,413,982					10,413,982
Balance at Dec. 31, 2019	$ 104	26,256	18,005	673	(204)	$ 44,834
Net earnings (loss)			(1,143)			(1,143)
Other comprehensive loss				(38)		(38)
Amortization of deferred compensation related to stock-based awards		187				187
Issuance of unvested shares of restricted stock (in shares)	58,160
Issuance of unvested shares of restricted stock	$ 1	(1)
Forfeiture of unvested shares of restricted stock (in shares)	(8,315)
Repurchase and retirement of common stock (in shares)	(13,767)					(13,767)
Repurchase and retirement of common stock		(74)				$ (74)
Balance (in shares) at Mar. 31, 2020	10,450,060					10,450,060
Balance at Mar. 31, 2020	$ 105	$ 26,368	$ 16,862	$ 635	$ (204)	$ 43,766