Consolidated Statement 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, 2017	10,427,435
Balance at Dec. 31, 2017	$ 104	$ 25,860	$ 12,646	$ 882	$ (204)	$ 39,288
Net earnings			381			381
Other comprehensive (earnings) loss				38		38
Amortization of deferred compensation related to stock-based awards		121				121
Issuance of unvested shares of restricted stock (in shares)	79,200
Issuance of unvested shares of restricted stock	$ 1	(1)
Balance (in shares) at Mar. 31, 2018	10,506,635
Balance at Mar. 31, 2018	$ 105	25,980	13,027	920	(204)	$ 39,828
Balance (in shares) at Dec. 31, 2018	10,523,035					10,523,035
Balance at Dec. 31, 2018	$ 105	26,513	15,683	783	(204)	$ 42,880
Net earnings			1,138			1,138
Other comprehensive (earnings) 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					10,603,335
Balance at Mar. 31, 2019	$ 106	$ 26,695	$ 16,821	$ 700	$ (204)	$ 44,118