Nature of Operations and Financial Statement Presentation (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Correction of Errors [Abstract]
Support Maintenance and Subscription Revenue	$ 15,906	$ 14,665	$ 30,854	$ 29,564