Commitments and Contingencies (Future Minimum Rental Payments) (Details) (USD $)	3 Months Ended
	Jun. 30, 2014 sqft	Jun. 30, 2013
Operating Leased Assets [Line Items]
Additional space	15,470
2015 (Remaining nine months ending March 31, 2015)	$ 1,097,000
2016	1,349,000
2017	1,420,000
2018	1,423,000
2019	1,423,000
Thereafter	2,198,000
Total future minimum payments due	8,910,000
Operating leases, rent expense	400,000	300,000
Facilities
Operating Leased Assets [Line Items]
2015 (Remaining nine months ending March 31, 2015)	947,000
2016	1,189,000
2017	1,346,000
2018	1,423,000
2019	1,423,000
Thereafter	2,198,000
Total future minimum payments due	8,526,000
Equipment
Operating Leased Assets [Line Items]
2015 (Remaining nine months ending March 31, 2015)	150,000
2016	160,000
2017	74,000
2018	0
2019	0
Thereafter	0
Total future minimum payments due	$ 384,000