Intangible Assets and Software Development Costs (Details Textual) - USD ($)	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization of developed technology	$ 2,663,000	$ 2,307,000
Amortization of Intangible Assets	11,500	485,000
Developed Technology Internal [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of developed technology	$ 2,700,000	$ 2,300,000