Noncash Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

Noncash Share-based Compensation [Abstract]

Schedule of Share-based Compensation Expense

The following table summarizes share-based compensation expense included in the Company's unaudited condensed consolidated statements of comprehensive income (loss) for the three and nine months ended September 30, 2018 and 2017:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Share-based compensation:
Cost of revenue	$	445	$	479	$	1,325	$	1,569
Operating expenses:
Selling and marketing	779		909		3,347		3,313
General and administrative	2,635		2,864		8,202		8,546
Research and development	1,098		1,319		3,481		4,237
Total included in operating expenses	4,512		5,092		15,030		16,096
Total share-based compensation expense	$	4,957	$	5,571	$	16,355	$	17,665