CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member] Voting Common Stock [Member]	Common Stock [Member] Non-Voting Common Stock [Member]	Common Stock [Member] Voting and Non-Voting Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Accumulated Deficit [Member]
BALANCE at Dec. 31, 2021	$ 293,904			$ 9	$ 687,660	$ (1,997)	$ (391,768)
BALANCE (In Shares) at Dec. 31, 2021		78,423	13,422
Net income (loss)	(6,316)						(6,316)
Stock-based compensation	3,286				3,286
Foreign currency translation adjustment	(242)					(242)
Unrecognized gain (loss) on derivatives	3,640					3,640
Proceeds from 2021 exercise of public warrants	55				55
Common shares issued under equity incentive plan, Shares		286
BALANCE at Mar. 31, 2022	294,327			9	691,001	1,401	(398,084)
BALANCE (In Shares) at Mar. 31, 2022		78,709	13,422
BALANCE at Dec. 31, 2022	365,809			9	700,612	3,797	(338,609)
BALANCE (In Shares) at Dec. 31, 2022		79,544	13,422
Net income (loss)	(15,904)						(15,904)
Stock-based compensation	2,591				2,591
Foreign currency translation adjustment	188					188
Unrecognized gain (loss) on derivatives	(971)					(971)
Proceeds from exercise of warrants	215				215
Proceeds from exercise of warrants, Shares		20
Common shares issued under equity incentive plan, Shares		222
BALANCE at Mar. 31, 2023	$ 351,928			$ 9	$ 703,418	$ 3,014	$ (354,513)
BALANCE (In Shares) at Mar. 31, 2023		79,786	13,422