CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning balance at Dec. 31, 2021	$ 139	$ 55,246	$ 15,566	$ (32,110)	$ 143	$ 38,984
Beginning balance (in shares) at Dec. 31, 2021	9,872,889
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options	$ 0	0	0	0	0	0
Issuance of common stock from exercise of stock options (in shares)	17,500
Issuance of common stock on restricted stock units	$ 0	0	0	0	0	0
Issuance of common stock on restricted stock units (in shares)	47,931
Relinquishment of stock awards and deferred stock units to pay withholding taxes	$ 0	(119)	0	0	0	(119)
Relinquishment of stock awards and deferred stock units to pay withholding taxes (in shares)	(26,437)
Share-based compensation expense	$ 0	1,155	0	0	0	1,155
Foreign currency translation adjustment, net of tax	0	0	0	0	(222)	(222)
Net income (loss)	0	0	(5,936)	0	0	(5,936)
Ending balance at Dec. 31, 2022	$ 139	56,282	9,630	(32,110)	(79)	$ 33,862
Ending balance (in shares) at Dec. 31, 2022	9,911,883					13,956,725
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from exercise of stock options	$ 0	0	0	0	0	$ 0
Issuance of common stock from exercise of stock options (in shares)	1,875
Issuance of common stock on restricted stock units	$ 1	0	0	0	0	1
Issuance of common stock on restricted stock units (in shares)	58,705
Relinquishment of stock awards and deferred stock units to pay withholding taxes	$ 0	(87)	0	0	0	(87)
Relinquishment of stock awards and deferred stock units to pay withholding taxes (in shares)	(13,652)
Share-based compensation expense	$ 0	860	0	0	0	860
Foreign currency translation adjustment, net of tax	0	0	0	0	30	30
Net income (loss)	0	0	4,748	0	0	4,748
Ending balance at Dec. 31, 2023	$ 140	$ 57,055	$ 14,378	$ (32,110)	$ (49)	$ 39,414
Ending balance (in shares) at Dec. 31, 2023	9,958,811					14,003,653