Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 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	(228,013)
RSUs cancelled/forfeited	24,697
Options granted	(631,055)	631,055	$	2.30
Options cancelled/forfeited	120,313	(125,834)	$	8.08
Balance—March 31, 2020	466,621	2,437,124	$	5.86	7.5	$	225
Options exercisable—March 31, 2020		1,133,244	$	7.08	5.6	$	—

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	228,013		3.08
Vested	(88,375)		5.90
Cancelled/forfeited	(24,697)		7.59
Balance—March 31, 2020	326,903	$	4.50