CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Common Stock [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Other Comprehensive Loss [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Treasury Stock [Member]	Treasury Stock [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]
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		359		0		0		$ 0		359
Common stock issued for RSUs vested	$ 1		(1)		0		0		0		0
Common stock issued for RSUs vested (in shares)	76
Shares withheld to pay taxes	$ 0		(86)		0		0		0		(86)
Foreign currency translation adjustment	0		0		0		181		0		181
Net (loss) income	0		0		(3,434)		0		0		(3,434)
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)
Balance at Dec. 31, 2022	$ 240		82,911		(69,927)		6		$ (2,999)		10,231
Balance (ASC 326 [Member]) at Dec. 31, 2022	$ 240	$ 0	82,911	$ 0	(69,984)	$ (57)	6	$ 0	$ (2,999)	$ 0	10,174	$ (57)
Balance (in shares) at Dec. 31, 2022	24,047								(1,599)
Balance (in shares) (ASC 326 [Member]) at Dec. 31, 2022	24,047	0							(1,599)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0		274		0		0		$ 0		274
Common stock issued for RSUs vested	$ 2		(2)		0		0		0		0
Common stock issued for RSUs vested (in shares)	121
Shares withheld to pay taxes	$ 0		(58)		0		0		0		(58)
Foreign currency translation adjustment	0		0		0		(10)		0		(10)
Repayment of convertible note in shares	$ 10		735		0		0		0		745
Repayment of convertible note in shares (in shares)	992
Net (loss) income	$ 0		0		(2,951)		0		0		(2,951)
Balance at Mar. 31, 2023	$ 252		$ 83,860		$ (72,935)		$ (4)		$ (2,999)		$ 8,174
Balance (in shares) at Mar. 31, 2023	25,160								(1,599)