Intangible Assets, Amortization Expense (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Amortization expense for acquired intangible assets [Abstract]
Amortization expense	$ 145,000	$ 160,000	$ 476,000	$ 510,000
Estimated future amortization expense for intangible assets subject to amortization [Abstract]
2016 - remaining three months	145,000		145,000
2017	580,000		580,000
2018	580,000		580,000
2019	580,000		580,000
2020	580,000		580,000
Thereafter	2,253,000		2,253,000
Total	$ 4,718,000		$ 4,718,000