Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Stock-Based Compensation

Summary of stock option activity

		Options Outstanding
			Weighted-		Weighted-
	Options and		Average		Average
	Awards		Exercise		Remaining	Aggregate
	Available for	Number of	Price Per		Contractual	Intrinsic
	Grant	Options	Share		Life (years)	Value
						(In thousands)
Balance—December 31, 2019	638,227	1,931,903	$	7.17	6.5	$	188
Authorized	542,452
RSUs granted	(405,054)
RSUs cancelled/forfeited	24,697
Options granted	(787,955)	787,955	$	2.39
Options exercised	—	(144,774)	$	5.36		$	170
Options cancelled/forfeited	143,817	(158,455)	$	8.30
Balance—June 30, 2020	156,184	2,416,629	$	5.65	8.0	$	4,347
Options exercisable—June 30, 2020		1,047,031	$	7.29	6.4	$	463

Schedule of restricted stock unit activity

	RSUs Outstanding
		Weighted-
		Average
	Number of	Grant Date
	Restricted Stock	Fair Value Per
	Units	Share
Balance—December 31, 2019	211,962	$	6.97
Granted	405,054		4.39
Vested	(152,347)		6.29
Cancelled/forfeited	(24,697)		7.59
Balance—June 30, 2020	439,972	$	4.80