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, 2021			68,126
Beginning balance at Dec. 31, 2021	$ 31,727	$ 0	$ 68	$ 200,614	$ (168,953)		$ (2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock (in shares)			43
Issuance of restricted stock	0
Share-based compensation	4,413			4,413
Translation adjustment	5						5
Net loss	(15,122)				(15,122)
Ending balance (in shares) at Sep. 30, 2022			68,169
Ending balance at Sep. 30, 2022	$ 21,023		$ 68	205,027	(184,075)		3
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13 [Member]
Beginning balance (in shares) at Dec. 31, 2021			68,126
Beginning balance at Dec. 31, 2021	$ 31,727	0	$ 68	200,614	(168,953)		(2)
Ending balance (in shares) at Dec. 31, 2022			74,567
Ending balance at Dec. 31, 2022	28,672	(29)	$ 74	214,094	(185,493)	$ (29)	(3)
Beginning balance (in shares) at Jun. 30, 2022			68,155
Beginning balance at Jun. 30, 2022	20,778		$ 68	203,798	(183,090)		2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock (in shares)			14
Issuance of restricted stock	0
Share-based compensation	1,229			1,229
Translation adjustment	1						1
Net loss	(985)				(985)
Ending balance (in shares) at Sep. 30, 2022			68,169
Ending balance at Sep. 30, 2022	21,023		$ 68	205,027	(184,075)		3
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)			343
Issuance of restricted stock	1		$ 1
Share-based compensation	3,714			3,714
Translation adjustment	2						2
Net loss	(5,052)				(5,052)
Ending balance (in shares) at Sep. 30, 2023			74,910
Ending balance at Sep. 30, 2023	27,308		$ 75	217,808	(190,574)		(1)
Beginning balance (in shares) at Jun. 30, 2023			74,856
Beginning balance at Jun. 30, 2023	27,150		$ 75	216,691	(189,615)		(1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of restricted stock (in shares)			54
Issuance of restricted stock	0
Share-based compensation	1,117			1,117
Net loss	(959)				(959)
Ending balance (in shares) at Sep. 30, 2023			74,910
Ending balance at Sep. 30, 2023	$ 27,308		$ 75	$ 217,808	$ (190,574)		$ (1)