Share-based compensation (Tables)

9 Months Ended

Dec. 31, 2015

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

Schedule of share-based compensation expense for all share-based arrangements

Share-based compensation expense for all share-based arrangements for the three and nine months endedDecember 31, 2015 and December 31, 2014 was as follows:

	Three months ended December 31				Nine months ended December 31
(in thousands)	2015		2014		2015		2014
Cost of revenue	$	266	$	317	$	771	$	932
Research and development	511		797		1,598		2,473
Selling and marketing	829		599		2,978		2,228
General and administrative	1,480		1,569		5,080		5,882
Total	$	3,086	$	3,282	$	10,427	$	11,515