EQUITY BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2023

EQUITY BASED COMPENSATION

Schedule of compensation costs related to restricted stock and stock options

	Three Months Ended
	March 31,
	2023		2022
Sales, general, and administrative	$	1,124	$	1,171
Research and development		51		42
Total RSUs and stock option compensation	$	1,175	$	1,213

Summary of changes in unvested restricted stock

	Unvested RSUs
		Weighted
		Average
	Number of	Grant-date
	Shares	Fair Value
	in thousands	$ per share
Unvested at January 1, 2023	4,033	$	2.13
Granted	4,392		0.83
Vested	(1,828)		2.08
Forfeited	(28)		2.42
Unvested at March 31, 2023	6,569		1.27

Schedule of stock option activity

				Weighted
		Weighted		Average
		Average		Remaining		Aggregate
	Number of	Exercise		Contractual		Intrinsic
	Options	Price		Term		Value
	in thousands	$ per share
Outstanding at January 1, 2023	4,912	$	1.65
Expired	(103)	$	2.76
Forfeited	(3)	$	2.76
Outstanding at March 31, 2023	4,806	$	1.65	2.1	years	$	—
Exercisable at March 31, 2023	4,706	$	1.63	2.0	years	$	—