SHARE-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2019

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, 2018	3,357,873	$	7.74	$	43,224	7.90
Granted	356,000	$	21.50
Outstanding and expected to vest at June 30, 2019	3,713,873	$	9.06	$	51,297	7.65
Exercisable at June 30, 2019	2,107,637	$	3.60	$	40,609	6.58

Schedule of restricted stock units issued and outstanding

	Restricted Stock Units
Outstanding and expected to vest at December 31, 2018	—
Granted	10,296
Outstanding and expected to vest at June 30, 2019	10,296