CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Beginning balance at Dec. 31, 2022	$ 139	$ 56,282	$ 9,630	$ (32,110)	$ (79)	$ 33,862
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from restricted stock units	1
Share-based compensation expense		278
Relinquishment of stock awards to pay for withholding taxes		(86)
Net (loss) income			3,139			3,139
Foreign currency translation adjustment, net of tax					2	2
Ending balance at Mar. 31, 2023	140	56,474	12,769	(32,110)	(77)	$ 37,196
Supplemental share information
Issuance of shares from stock awards (in shares)						54
Relinquishment of stock awards to pay withholding taxes (in shares)						12
Beginning balance at Dec. 31, 2023	140	57,055	14,378	(32,110)	(49)	$ 39,414
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from restricted stock units	0
Share-based compensation expense		265
Relinquishment of stock awards to pay for withholding taxes		(71)
Net (loss) income			(1,036)			(1,036)
Foreign currency translation adjustment, net of tax					(1)	(1)
Ending balance at Mar. 31, 2024	$ 140	$ 57,249	$ 13,342	$ (32,110)	$ (50)	$ 38,571
Supplemental share information
Issuance of shares from stock awards (in shares)						47
Relinquishment of stock awards to pay withholding taxes (in shares)						11