Intangible Assets (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Software development costs, net	$ 11,412,000		$ 11,412,000		$ 5,596,000
Capitalized Software Development Costs	2,900,000	800,000	5,800,000	1,600,000
Amortization of intangible assets, excluding amortization of internal use software	300,000	300,000	600,000	600,000
Amortization of intangible assets	794,000	817,000	1,588,000	1,672,000
Finite-lived intangible assets, net	2,067,000		2,067,000		2,083,000
Developed technology [Member]
Finite-Lived Intangible Assets [Line Items]
Software development costs, net	11,400,000		11,400,000		5,600,000
Amortization of intangible assets		200,000		500,000
Developed Technology Acquired [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, net	$ 600,000		$ 600,000