SHARE-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2022

SHARE-BASED COMPENSATION

Schedule of common stock options issued and outstanding

						Weighted
		Weighted		Aggregate		average
		average		intrinsic		remaining
		exercise		value		contractual
	Options	price		(in thousands)		life (years)
Outstanding and expected to vest at December 31, 2021	6,687,128	$	22.43	$	26,412	7.21
Granted	425,000		9.51
Exercised	(16,000)		2.00
Forfeited	(160,167)		31.03
Outstanding and expected to vest at June 30, 2022	6,935,961	$	21.48	$	25,565	6.87
Exercisable at June 30, 2022	4,350,315	$	18.19	$	23,232	5.69

Schedule of restricted stock units issued and outstanding

				Weighted
		Weighted		average
		average		remaining
		grant		vesting
	Restricted Stock Units	price		life (years)
Outstanding and expected to vest at December 31, 2021	28,907	$	28.04	1.82
Granted	18,102		9.66
Vested	(9,330)		23.89
Forfeited	(1,082)		29.81
Outstanding and expected to vest at June 30, 2022	36,597	$	19.45	2.20