Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

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, 2018	764,145	1,475,299	$	7.60	7.8	$	284
Authorized	512,864
RSUs granted	(165,152)
RSUs cancelled/forfeited	9,000
Options granted	(587,852)	587,852	$	6.70
Options exercised		(10,278)	$	4.70		$	24
Options cancelled/forfeited	136,154	(145,161)	$	8.78
Balance—September 30, 2019	669,159	1,907,712	$	7.25	8.0	$	385
Options exercisable—September 30, 2019		872,161	$	7.03	7.0	$	385

Schedule of Restricted Stock Unit Activity

	RSUs Outstanding
		Weighted-
		Average
	Number of	Grant Date
	Restricted Stock	Fair Value Per
	Units	Share
Balance—December 31, 2018	93,560	$	8.38
Granted	165,152		6.80
Vested	(30,492)		8.40
Cancelled/forfeited	(9,000)		7.86
Balance—September 30, 2019	219,220	$	7.21

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 September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Research and development	$	176	$	132	$	484	$	378
General and administrative		627		504		1,692		1,403
Sales and marketing		92		86		221		283
Total	$	895	$	722	$	2,397	$	2,064