Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Share-Based Compensation

Summary of option activity

The following is a summary of option activity (in thousands, except per share data):

				Weighted				Weighted
		Weighted		Average				Average
		Average		Share Price		Weighted		Remaining	Aggregate
	Number of	Exercise		on Date of		Average		Contractual	Intrinsic
	shares	Price		Exercise		Fair Value		Life	Value
	(in thousands, except price data)
Outstanding, January 1, 2019	287	$	10.19			$	5.31		$	1,503
Exercised	(1)		6.60	$	12.91		3.95			8
Forfeited	(1)		11.35				5.50			1
Outstanding, September 30, 2019	285	$	10.20			$	5.31	3.87		431
Exercisable, September 30, 2019	285	$	10.20					3.87		431
Vested and expected to vest	285	$	10.20					3.87	$	431

Summary of RSU/RSA activity

The following is a summary of RSU/RSA activity (in thousands, except per share data):

		Weighted
		Average Share		Weighted		Aggregate
	Number of	Price on Date		Average Fair		Intrinsic
	shares	of Release		Value		Value
	(in thousands, except price data)
Outstanding at January 1, 2019	826			$	32.07	$	12,744
Granted	431				13.42		5,787
Released	(345)	$	12.68		26.69		4,378
Cancelled/Forfeited	(37)				26.64		415
Outstanding, September 30, 2019	875				25.22		9,819
Vested and expected to vest	875			$	25.22	$	9,819

Schedule of employee stock-based compensation expenses

Employee share-based compensation expenses recognized for the periods indicated (in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2019		2018		2019		2018
Share-based compensation - by expense type
Cost of goods sold	$	196	$	205	$	584	$	593
Research and development		647		624		1,943		1,876
Sales and marketing		275		181		824		669
General and administrative		1,860		1,884		5,588		5,224
Total share-based compensation expense	$	2,978	$	2,894	$	8,939	$	8,362

	Three months ended				Nine months ended
	September 30,				September 30,
	2019		2018		2019		2018
Share-based compensation - by award type
Employee stock options	$	—	$	12	$	—	$	12
Restricted stock units		2,978		2,882		8,939		8,350
Total share-based compensation expense	$	2,978	$	2,894	$	8,939	$	8,362