Intangible Assets and Software Development Costs (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization of developed technology			$ 4,727,000	$ 3,399,000
Finite-lived intangible assets, net	$ 107,000		107,000		$ 130,000
Amortization of Intangible Assets	465,000	$ 342,000	950,000	678,000
Capitalized Computer Software, Additions	2,200,000	3,000,000	$ 4,900,000	5,900,000
Developed Technology Internal, rGuest Buy [Member]
Finite-Lived Intangible Assets [Line Items]
Software Development Costs, Placed Into Service	6,800,000
Finite-Lived Intangible Asset, Useful Life			5 years
Amortization of developed technology	100,000		$ 100,000
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization, Excluding Accumulated Impairment	10,055,000		10,055,000		$ 10,055,000
Developed Technology Internal [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of developed technology	2,400,000	2,100,000	4,700,000	3,400,000
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 11,500,000	$ 11,500,000	$ 23,000,000	$ 23,000,000