Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	Cumulative Translation Adjustments
Beginning balance (in shares) at Dec. 31, 2022			74,567
Beginning balance at Dec. 31, 2022	$ 28,672	$ (29)	$ 74	$ 214,094	$ (185,493)	$ (29)	$ (3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock (in shares)			99
Issuance of restricted stock	0
Share-based compensation	1,273			1,273
Translation adjustment	3						3
Net loss	(1,902)				(1,902)
Ending balance (in shares) at Mar. 31, 2023			74,666
Ending balance at Mar. 31, 2023	28,017		$ 74	215,367	(187,424)		0
Beginning balance (in shares) at Dec. 31, 2023			74,981
Beginning balance at Dec. 31, 2023	28,456	$ 0	$ 75	218,845	(190,460)		(4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock (in shares)			147
Issuance of restricted stock	0
Share-based compensation (in shares)			25
Share-based compensation	984			984
Translation adjustment	3						3
Net loss	(492)				(492)
Ending balance (in shares) at Mar. 31, 2024			75,153
Ending balance at Mar. 31, 2024	$ 28,951		$ 75	$ 219,829	$ (190,952)		$ (1)