CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital & Accumulated Other Comprehensive Loss	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2020		19,384,192
Beginning balance at Dec. 31, 2020	$ 200,613	$ 2	$ 90,328	$ 110,283
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,297)			(2,297)
Purchase of common stock for tax withholding and other (shares)		(132,281)
Purchase of common stock for tax withholding and other	(1,444)		(1,444)
Amortization of stock-based compensation	2,239		2,239
Cash dividends declared	(2,553)			(2,553)
Issuance of restricted stock under the Equity Plans and other (in shares)		20,952
Issuance of common stock in lieu of cash compensation (in shares)		50,741
Cumulative translation adjustment	14		14
Ending balance (in shares) at Mar. 31, 2021		19,323,604
Ending balance at Mar. 31, 2021	196,572	$ 2	91,137	105,433
Beginning balance (in shares) at Dec. 31, 2020		19,384,192
Beginning balance at Dec. 31, 2020	200,613	$ 2	90,328	110,283
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(3,016)
Cumulative translation adjustment	17
Ending balance (in shares) at Jun. 30, 2021		19,401,170
Ending balance at Jun. 30, 2021	195,004	$ 2	92,841	102,161
Beginning balance (in shares) at Mar. 31, 2021		19,323,604
Beginning balance at Mar. 31, 2021	196,572	$ 2	91,137	105,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(719)			(719)
Purchase of common stock for tax withholding and other (shares)		(19,874)
Purchase of common stock for tax withholding and other	(212)		(212)
Amortization of stock-based compensation	1,781		1,781
Cash dividends declared	(2,553)			(2,553)
Issuance of restricted stock under the Equity Plans and other (in shares)		39,010
Issuance of restricted stock under the Equity Plans and other	132		132
Issuance of common stock in lieu of cash compensation (in shares)		58,430
Cumulative translation adjustment	3		3
Ending balance (in shares) at Jun. 30, 2021		19,401,170
Ending balance at Jun. 30, 2021	195,004	$ 2	92,841	102,161
Beginning balance (in shares) at Dec. 31, 2021		19,828,033
Beginning balance at Dec. 31, 2021	173,691	$ 2	95,703	77,986
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(7,214)			(7,214)
Purchase of common stock for tax withholding and other (shares)		(134,354)
Purchase of common stock for tax withholding and other	(1,209)		(1,209)
Amortization of stock-based compensation	1,115		1,115
Cash dividends declared	(6,513)			(6,513)
Cumulative translation adjustment	25		25
Ending balance (in shares) at Mar. 31, 2022		19,693,679
Ending balance at Mar. 31, 2022	159,895	$ 2	95,634	64,259
Beginning balance (in shares) at Dec. 31, 2021		19,828,033
Beginning balance at Dec. 31, 2021	173,691	$ 2	95,703	77,986
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(5,290)
Cumulative translation adjustment	(204)
Ending balance (in shares) at Jun. 30, 2022		19,693,657
Ending balance at Jun. 30, 2022	156,194	$ 2	96,366	59,826
Beginning balance (in shares) at Mar. 31, 2022		19,693,679
Beginning balance at Mar. 31, 2022	159,895	$ 2	95,634	64,259
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	1,924			1,924
Purchase of common stock for tax withholding and other (shares)		(22)
Amortization of stock-based compensation	961		961
Cash dividends declared	(6,357)			(6,357)
Cumulative translation adjustment	(229)		(229)
Ending balance (in shares) at Jun. 30, 2022		19,693,657
Ending balance at Jun. 30, 2022	$ 156,194	$ 2	$ 96,366	$ 59,826