Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Stock-Based Compensation

Summary of Stock Option Activity

		Options Outstanding
			Weighted-		Weighted-
			Average		Average
	Options		Exercise		Remaining	Aggregate
	Available for	Number of	Price Per		Contractual	Intrinsic
	Grant	Options	Share		Life (years)	Value
						(In thousands)
Balance—December 31, 2016	342,500	1,414,730	$	5.28	7.6	$	4,267
Options authorized	374,944	—
RSUs granted	(10,000)	—
Options granted	(646,900)	646,900		13.87
Options exercised	—	(230,347)		4.76			1,981
Options cancelled/forfeited	234,973	(235,868)		6.26
Balance—September 30, 2017	295,517	1,595,415		8.69	6.9	$	13,406
Options exercisable—September 30, 2017		760,459		4.93	4.1	$	9,247
Options vested and expected to vest—September 30, 2017		1,595,415		8.69	6.9	$	13,406

Schedule of Restricted Stock Unit Activity

	RSUs Outstanding
		Weighted-
		Average
	Number of	Exercise
	Restricted Stock	Price Per
	Units	Share
Balance—December 31, 2016	—	$	—
Granted	10,000		16.25
Balance—September 30, 2017	10,000	$	16.25

Summary of Stock-Based Compensation Expense

The Company recognized stock-based compensation expense from awards granted to employees and non-employees under its equity incentive plans and from its ESPP as follows, excluding amounts related to GLOBALFOUNDRIES, Inc. (“GF”) (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Research and development	$	122	$	99	$	367	$	188
General and administrative		499		182		938		282
Sales and marketing		51		28		206		50
Total	$	672	$	309	$	1,511	$	520

Schedule of Fair Value Assumptions

	2016 Plan				2016 ESPP
	Nine Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Expected volatility	47.2-61.1	%	44.4-45.1	%	49.3-  66.2	%	—	%
Risk-free interest rate	1.93-2.10	%	1.12-1.36	%	0.5-1.0	%	—	%
Expected term (in years)	5.8-6.1		5.2-6.1		0.5-0.6		—
Dividend yield	—	%	—	%	—	%	—	%