STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2022

Service-based Restricted stock unit awards

Summary of unvested restricted stock award activity

		Weighted-Average
		Grant Date
	Shares	Fair Value per Share
Unvested restricted stock and restricted stock units on December 31, 2021	885,800	$	1.37
Granted	658,484		1.92
Vested	(463,502)		2.57
Forfeited	(102,321)		2.42
Unvested restricted stock and restricted stock units on December 31, 2022	978,461	$	2.22

Market-based vesting

Summary of unvested restricted stock award activity

		Weighted-Average
		Grant Date
	Shares	Fair Value per Share
Unvested restricted stock units on December 31, 2021	369,525	$	1.73
Vested	(185,265)		1.82
Forfeited	(184,260)		1.63
Unvested restricted stock units on December 31, 2022	—	$	—

Performance Vesting

Summary of unvested restricted stock award activity

		Weighted-Average
		Grant Date
	Shares	Fair Value per Share
Unvested restricted stock and restricted stock units on December 31, 2021	547,133	$	3.68
Granted	733,195		1.98
Forfeited	(636,545)		3.46
Unvested restricted stock and restricted stock units on December 31, 2022	643,783	$	2.03