Stock-Based Compensation (Tables)

9 Months Ended

Dec. 31, 2015

Stock-Based Compensation

Summary of activity in the plans with respect to stock options

	Number of Shares		Weighted- Average Exercise Price Per Share
	(In thousands)
Options outstanding at March 31, 2015	2,199		$	1.83
Granted	1,808		2.35
Exercised	(235	)	1.57
Forfeited	(79	)	1.82
Expired	(376	)	2.36
Options outstanding at December 31, 2015	3,317		$	2.07

Summary of activity with respect to RSUs

	Number of
	Shares
	(In thousands)
Restricted stock units ouststanding at March 31, 2015	194
Restricted stock units granted	63
Restricted stock units vested	(66	)
Restricted stock units forfeited	(18	)
Restricted stock units outstanding at December 31, 2015	173

Schedule of stock-based compensation expense

	Three Months Ended				Nine Months Ended
	December 31,				December 31,
	2015		2014		2015		2014
	(In thousands)
Cost of revenues	$	13	$	5	$	31	$	14
Selling, general and administrative expense	205		64		363		219
Research and development expense	15		20		35		41
	$	233	$	89	$	429	$	274