Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2019	30,420
Balance at Dec. 31, 2019	$ 304	$ 102,215	$ 89,011	$ 191,530
Stock-based compensation		1,211		1,211
Stock issued on vesting of RSUs (in shares)	193
Stock issued on vesting of RSUs	$ 1	(1)	0	0
Taxes paid on vesting of RSUs (in shares)	(80)
Taxes paid on vesting of RSUs		(75)		(75)
Dividends	$ 0	0	(1,236)	(1,236)
Net loss	$ 0	0	(6,220)	(6,220)
Other (in shares)	77
Other	$ 1	49	0	50
Balance (in shares) at Dec. 31, 2020	30,610
Balance at Dec. 31, 2020	$ 306	103,399	81,555	185,260
Stock-based compensation		1,004		1,004
Stock issued on vesting of RSUs (in shares)	296
Stock issued on vesting of RSUs	$ 3	(3)	0	0
Taxes paid on vesting of RSUs (in shares)	(121)
Taxes paid on vesting of RSUs	$ (1)	(274)	0	(275)
Net loss	$ 0	0	(3,754)	(3,754)
Balance (in shares) at Dec. 31, 2021	30,785
Balance at Dec. 31, 2021	$ 308	$ 104,126	$ 77,801	$ 182,235