UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning balance at Dec. 31, 2020	$ 47,171	$ 8	$ (33,851)	$ 359,721	$ (19)	$ (278,688)
Beginning balance (in shares) at Dec. 31, 2020		78,669,000
Beginning balance (in shares) at Dec. 31, 2020			5,581,000
Increase (Decrease) in Equity
Net loss	(14,337)					(14,337)
Foreign currency translation adjustment	70				70
Stock issued under employee stock purchase plan	(246)		$ (110)	(136)
Stock issued under employee stock purchase plan (in shares)			(112,000)
Restricted stock granted (in shares)		1,694,000
Restricted stock forfeited	76		$ 72	4
Restricted stock forfeited (in shares)		(140,000)	(34,000)
Stock compensation expense	2,710			2,710
Shares withheld to cover taxes	(161)		$ (36)	(125)
Shares withheld to cover taxes (in shares)			146,000
Other (shares)		(613,000)
Ending balance at Sep. 30, 2021	35,283	$ 8	$ (33,925)	362,174	51	(293,025)
Ending balance (in shares) at Sep. 30, 2021		79,610,000
Ending balance (in shares) at Sep. 30, 2021			5,649,000
Beginning balance at Jun. 30, 2021	33,894	$ 8	$ (34,017)	361,424	13	(293,534)
Beginning balance (in shares) at Jun. 30, 2021		79,607,000
Beginning balance (in shares) at Jun. 30, 2021			5,628,000
Increase (Decrease) in Equity
Net loss	509					509
Foreign currency translation adjustment	38				38
Stock issued under employee stock purchase plan	(69)		$ 20	(89)
Stock issued under employee stock purchase plan (in shares)			(28,000)
Restricted stock granted (in shares)		9,000
Restricted stock forfeited	11		$ 8	3
Restricted stock forfeited (in shares)		(6,000)	(4,000)
Stock compensation expense	961			961
Shares withheld to cover taxes	(61)		$ 64	(125)
Shares withheld to cover taxes (in shares)			45,000
Ending balance at Sep. 30, 2021	35,283	$ 8	$ (33,925)	362,174	51	(293,025)
Ending balance (in shares) at Sep. 30, 2021		79,610,000
Ending balance (in shares) at Sep. 30, 2021			5,649,000
Beginning balance at Dec. 31, 2021	$ 20,192	$ 8	$ (34,100)	363,417	81	(309,214)
Beginning balance (in shares) at Dec. 31, 2021	79,483,837	79,484,000
Beginning balance (in shares) at Dec. 31, 2021	6,022,634		6,022,000
Increase (Decrease) in Equity
Net loss	$ (23,278)					(23,278)
Foreign currency translation adjustment	211				211
Stock issued under employee stock purchase plan	24			24
Stock issued under employee stock purchase plan (in shares)			(19,000)
Restricted stock granted (in shares)		1,128,000
Restricted stock forfeited (in shares)		(3,000)	(25,000)
Restricted stock units vested (in shares)		58,000
Stock compensation expense	2,262			2,262
Shares withheld to cover taxes	(191)		$ (168)	(23)
Shares withheld to cover taxes (in shares)		(35,000)	113,000
Issuance of stock warrants, net of transaction fee	9,930			9,930
Equity contribution	8,400			$ 8,400
Conversion of notes to common stock	2,948
Conversion of notes to common stock (in shares)		2,793,000		2,948,000
Ending balance at Sep. 30, 2022	$ 20,498	$ 8	$ (34,268)	$ 386,958	292	(332,492)
Ending balance (in shares) at Sep. 30, 2022	83,424,763	83,425,000
Ending balance (in shares) at Sep. 30, 2022	6,141,030		6,141,000
Beginning balance at Jun. 30, 2022	$ 38,558	$ 8	$ (34,238)	386,310	176	(313,698)
Beginning balance (in shares) at Jun. 30, 2022		82,885,000
Beginning balance (in shares) at Jun. 30, 2022			6,111,000
Increase (Decrease) in Equity
Net loss	(18,794)					(18,794)
Foreign currency translation adjustment	116				116
Restricted stock granted (in shares)		502,000
Restricted stock forfeited (in shares)			(5,000)
Restricted stock units vested (in shares)		58,000
Stock compensation expense	671			671
Shares withheld to cover taxes	(53)		$ (30)	(23)
Shares withheld to cover taxes (in shares)		(20,000)	25,000
Ending balance at Sep. 30, 2022	$ 20,498	$ 8	$ (34,268)	$ 386,958	$ 292	$ (332,492)
Ending balance (in shares) at Sep. 30, 2022	83,424,763	83,425,000
Ending balance (in shares) at Sep. 30, 2022	6,141,030		6,141,000