Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2020	30,610
Balance at Dec. 31, 2020	$ 306	$ 103,399	$ 81,555	$ 185,260
Stock-based compensation		282		282
Net loss	$ 0	0	(1,032)	(1,032)
Stock issued on vesting of RSUs (in shares)	4
Stock issued on vesting of RSUs	$ 0	0	0	0
Taxes paid on vesting of RSUs (in shares)	(1)
Taxes paid on vesting of RSUs		(2)		(2)
Balance (in shares) at Mar. 31, 2021	30,613
Balance at Mar. 31, 2021	$ 306	103,679	80,523	184,508
Balance (in shares) at Dec. 31, 2021	30,785
Balance at Dec. 31, 2021	$ 308	104,126	77,801	182,235
Stock-based compensation		55		55
Net loss	$ 0	0	(10,134)	(10,134)
Balance (in shares) at Mar. 31, 2022	30,785
Balance at Mar. 31, 2022	$ 308	$ 104,181	$ 67,667	$ 172,156