Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015
Components of Property and Equipment
Property and equipment, gross	$ 26,119		$ 25,700
Accumulated depreciation	(12,965)		(11,956)
Property and equipment, net	13,154		13,744
Depreciation	1,300	$ 700
Machinery
Components of Property and Equipment
Property and equipment, gross	3,943		4,743
Computer equipment
Components of Property and Equipment
Property and equipment, gross	12,509		11,339
Furniture and fixtures
Components of Property and Equipment
Property and equipment, gross	2,371		2,484
Leasehold improvements
Components of Property and Equipment
Property and equipment, gross	$ 7,296		$ 7,134