Consolidated Statements of Stockholders' Equity - 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)			2,322			2,322
Other comprehensive earnings (loss)				(110)		(110)
Amortization of deferred compensation related to stock-based awards		884				884
Issuance of unvested shares of restricted stock (in shares)	132,580
Issuance of unvested shares of restricted stock	$ 1	1
Issuance of unvested shares of restricted stock	$ (1)	(1)
Forfeiture of unvested shares of restricted stock (in shares)	(12,325)
Repurchase and retirement of common stock (in shares)	(229,308)
Repurchase and retirement of common stock	$ (2)	(1,140)				$ (1,142)
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)			(895)			(895)
Other comprehensive earnings (loss)				216		216
Amortization of deferred compensation related to stock-based awards		671				671
Issuance of unvested shares of restricted stock (in shares)	229,110
Issuance of unvested shares of restricted stock	$ 2	2
Issuance of unvested shares of restricted stock	$ (2)	(2)
Forfeiture of unvested shares of restricted stock (in shares)	(67,125)
Repurchase and retirement of common stock (in shares)	(13,767)
Repurchase and retirement of common stock		(74)				$ (74)
Balance (in shares) at Dec. 31, 2020	10,562,200					10,562,200
Balance at Dec. 31, 2020	$ 106	$ 26,851	$ 17,110	$ 889	$ (204)	$ 44,752