CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2020	$ 222	$ 79,687	$ (65,191)	$ (1,214)	$ (2,999)	$ 10,505
Balance (in shares) at Dec. 31, 2020	22,193				(1,599)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	501	0	0	$ 0	501
Common stock issued for RSUs vested	$ 3	(3)	0	0	0	0
Common stock issued for RSUs vested (in shares)	268
Shares withheld to pay taxes	$ 0	(161)	0	0	0	(161)
Foreign currency translation adjustment	0	0	0	1,132	0	1,132
Net (loss) income	0	0	1,026	0	0	1,026
Balance at Jun. 30, 2021	$ 225	80,024	(64,165)	(82)	$ (2,999)	13,003
Balance (in shares) at Jun. 30, 2021	22,461				(1,599)
Balance at Mar. 31, 2021	$ 222	79,697	(67,396)	(108)	$ (2,999)	9,416
Balance (in shares) at Mar. 31, 2021	22,234				(1,599)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	463	0	0	$ 0	463
Common stock issued for RSUs vested	$ 3	(2)	0	0	0	1
Common stock issued for RSUs vested (in shares)	227
Shares withheld to pay taxes	$ 0	(134)	0	0	0	(134)
Foreign currency translation adjustment	0	0	0	26	0	26
Net (loss) income	0	0	3,231	0	0	3,231
Balance at Jun. 30, 2021	$ 225	80,024	(64,165)	(82)	$ (2,999)	13,003
Balance (in shares) at Jun. 30, 2021	22,461				(1,599)
Balance at Dec. 31, 2021	$ 225	80,505	(54,584)	(104)	$ (2,999)	23,043
Balance (in shares) at Dec. 31, 2021	22,533				(1,599)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	1,025	0	0	$ 0	1,025
Common stock issued for RSUs vested	$ 3	(3)	0	0	0	0
Common stock issued for RSUs vested (in shares)	317
Shares withheld to pay taxes	$ 0	(203)	0	0	0	(203)
Foreign currency translation adjustment	0	0	0	75	0	75
Net (loss) income	0	0	(4,835)	0	0	(4,835)
Balance at Jun. 30, 2022	$ 228	81,324	(59,419)	(29)	$ (2,999)	19,105
Balance (in shares) at Jun. 30, 2022	22,850				(1,599)
Balance at Mar. 31, 2022	$ 226	80,777	(58,018)	77	$ (2,999)	20,063
Balance (in shares) at Mar. 31, 2022	22,609				(1,599)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	666	0	0	$ 0	666
Common stock issued for RSUs vested	$ 2	(2)	0	0	0	0
Common stock issued for RSUs vested (in shares)	241
Shares withheld to pay taxes	$ 0	(117)	0	0	0	(117)
Foreign currency translation adjustment	0	0	0	(106)	0	(106)
Net (loss) income	0	0	(1,401)	0	0	(1,401)
Balance at Jun. 30, 2022	$ 228	$ 81,324	$ (59,419)	$ (29)	$ (2,999)	$ 19,105
Balance (in shares) at Jun. 30, 2022	22,850				(1,599)