Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Costs and expenses:
Total share-based compensation	$ 707	$ 583	$ 1,832	$ 1,966
Software and hardware charges	(27,398)	(4,660)	(37,111)	(16,055)
Income tax benefit	(233)	(174)	(585)	(621)
Decrease in net income	(474)	(409)	(1,247)	(1,345)
Cost of revenue [Member]
Costs and expenses:
Total share-based compensation	90	51
Software and hardware charges			(253)	(200)
Research and development costs [Member]
Costs and expenses:
Total share-based compensation	100	76
Software and hardware charges			(231)	(209)
Selling, general and administrative [Member]
Costs and expenses:
Total share-based compensation	517	456
Software and hardware charges			$ (1,348)	$ (1,557)