Stock-Based Compensation (Tables)

3 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock-Based Compensation Expense

The following table summarizes stock-based compensation expense by financial statement line item for the three months ended June 30, 2018 and 2017 (in thousands):

	Three months ended June 30,
	2018		2017
Cost of revenues	$	40	$	36
Research and development	51		49
Selling, general and administrative	694		669
Total	$	785	$	754