Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017


		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 granted	(197,950)	197,950		8.79
Options exercised	—	(158,339)		4.63		$	1,216
Options cancelled/forfeited	184,781	(185,676)		6.07
Balance—June 30, 2017	329,331	1,268,665		5.76	7.4	$	18,036
Options exercisable—June 30, 2017		752,725		4.82	6.2	$	11,414
Options vested and expected to vest—June 30, 2017		1,268,665		5.76	7.4	$	18,036

Summary of Stock-Based Compensation Expense

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


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Research and development	$	73	$	44	$	245	$	89
General and administrative		213		46		439		100
Sales and marketing		122		10		155		22
Total	$	408	$	100	$	839	$	211

Schedule of Fair Value Assumptions


	2016 Plan				2016 ESPP
	Six Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Expected volatility	47.2-59.3	%	—	%	49.5	%	—	%
Risk-free interest rate	2.0-2.1	%	—	%	0.50	%	—	%
Expected term (in years)	5.8-6.1		—		0.5		—
Dividend yield	—	%	—	%	—	%	—	%