Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Costs and expenses:
Total share-based compensation	$ 790	$ 541
Software and hardware charges	(6,641)	(4,934)
Income tax benefit	(263)	(168)
Decrease in net income	527	373
Cost of revenue [Member]
Costs and expenses:
Total share-based compensation	86	74
Research and development costs [Member]
Costs and expenses:
Total share-based compensation	83	42
Selling, general and administrative [Member]
Costs and expenses:
Total share-based compensation	$ 621	$ 425
Software Technology [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Useful life		3 years