Restructuring Charges (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Restructuring Reserve [Roll Forward]
Liability, beginning balance	$ 577
Restructuring charges	96	$ 1,211
Cash payments	(255)
Non-cash items	18
Liability, ending balance	436
Workforce Reduction [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning balance	449
Restructuring charges	94
Cash payments	(228)
Non-cash items	6
Liability, ending balance	321
Operating Lease Commitments [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning balance	113
Restructuring charges	0
Cash payments	(18)
Non-cash items	12
Liability, ending balance	107
Other [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning balance	15
Restructuring charges	2
Cash payments	(9)
Non-cash items	0
Liability, ending balance	$ 8