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, 2021		19,481,429
Beginning balance at Dec. 31, 2021	$ 172,710	$ 2	$ 95,703	$ 77,005
Net income (loss)	(7,214)			(7,214)
Issuance of common stock for vested restricted stock units under the equity plans (in shares)		346,604
Purchase of common stock for tax withholding and other (in 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	158,914	$ 2	95,634	63,278
Beginning balance (in shares) at Dec. 31, 2021		19,481,429
Beginning balance at Dec. 31, 2021	172,710	$ 2	95,703	77,005
Net income (loss)	(2,370)
Cumulative translation adjustment	(472)
Ending balance (in shares) at Sep. 30, 2022		19,693,657
Ending balance at Sep. 30, 2022	152,281	$ 2	96,975	55,304
Beginning balance (in shares) at Mar. 31, 2022		19,693,679
Beginning balance at Mar. 31, 2022	158,914	$ 2	95,634	63,278
Net income (loss)	1,924			1,924
Purchase of common stock for tax withholding and other (in shares)		(22)
Purchase of common stock for tax withholding and other	0		0
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	155,213	$ 2	96,366	58,845
Net income (loss)	2,920			2,920
Purchase of common stock for tax withholding and other (in shares)		0
Amortization of stock-based compensation	877		877
Cash dividends declared	(6,461)			(6,461)
Cumulative translation adjustment	(268)		(268)
Ending balance (in shares) at Sep. 30, 2022		19,693,657
Ending balance at Sep. 30, 2022	152,281	$ 2	96,975	55,304
Beginning balance (in shares) at Dec. 31, 2022		19,703,800
Beginning balance at Dec. 31, 2022	171,097	$ 2	97,999	73,096
Net income (loss)	3,117			3,117
Issuance of common stock for vested restricted stock units under the equity plans (in shares)		382,568
Purchase of common stock for tax withholding and other (in shares)		(144,516)
Purchase of common stock for tax withholding and other	(1,245)		(1,245)
Amortization of stock-based compensation	936		936
Cash dividends declared	(6,549)			(6,549)
Cumulative translation adjustment	12		12
Ending balance (in shares) at Mar. 31, 2023		19,941,852
Ending balance at Mar. 31, 2023	167,368	$ 2	97,702	69,664
Beginning balance (in shares) at Dec. 31, 2022		19,703,800
Beginning balance at Dec. 31, 2022	171,097	$ 2	97,999	73,096
Net income (loss)	12,301
Cumulative translation adjustment	129
Ending balance (in shares) at Sep. 30, 2023		19,972,478
Ending balance at Sep. 30, 2023	165,505	$ 2	99,716	65,787
Beginning balance (in shares) at Mar. 31, 2023		19,941,852
Beginning balance at Mar. 31, 2023	167,368	$ 2	97,702	69,664
Net income (loss)	4,733			4,733
Amortization of stock-based compensation	923		923
Cash dividends declared	(6,538)			(6,538)
Issuance of restricted stock under the 2020 Equity Plan and other (in shares)		20,210
Issuance of restricted stock under the 2020 Equity Plan and other	90		90	0
Cumulative translation adjustment	35		35
Ending balance (in shares) at Jun. 30, 2023		19,962,062
Ending balance at Jun. 30, 2023	166,611	$ 2	98,750	67,859
Net income (loss)	4,451			4,451
Amortization of stock-based compensation	884		884
Cash dividends declared	(6,523)			(6,523)
Issuance of restricted stock under the 2020 Equity Plan and other (in shares)		10,416
Issuance of restricted stock under the 2020 Equity Plan and other	0			0
Cumulative translation adjustment	82		82
Ending balance (in shares) at Sep. 30, 2023		19,972,478
Ending balance at Sep. 30, 2023	$ 165,505	$ 2	$ 99,716	$ 65,787