Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2020	7,500				30
Balance at Dec. 31, 2020	$ 75	$ 32,484	$ 144,921	$ 0	$ (587)	$ 176,893
Share-based compensation (in shares)	34				0
Share-based compensation	$ 0	501	0	0	$ 0	501
Net share settlement of RSU's (in shares)	(14)				0
Net share settlement of RSU's	$ 0	(738)	0	0	$ 0	(738)
Other comprehensive income						0
Net income	$ 0	0	4,163		$ 0	4,163
Balance (in shares) at Mar. 31, 2021	7,520				30
Balance at Mar. 31, 2021	$ 75	32,247	149,084	0	$ (587)	180,819
Balance (in shares) at Dec. 31, 2021	7,535				30
Balance at Dec. 31, 2021	$ 75	34,151	160,807	0	$ (587)	194,446
Share-based compensation (in shares)	46				0
Share-based compensation	$ 1	691	0	0	$ 0	692
Net share settlement of RSU's (in shares)	(20)				0
Net share settlement of RSU's	$ 0	(1,299)	0	0	$ 0	(1,299)
Other comprehensive income	0	0	0	381	0	381
Net income	$ 0	0	4,858		$ 0	4,858
Balance (in shares) at Mar. 31, 2022	7,561				30
Balance at Mar. 31, 2022	$ 76	$ 33,543	$ 165,665	$ 381	$ (587)	$ 199,078