Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of income tax provision to taxes computed at U.S. federal statutory rates
Benefit for income taxes	$ 700,000	$ 441,000	$ 1,010,000	$ 562,000
Change in valuation allowance	(10,065,000)		(10,065,000)
Total tax (expense) benefit	$ (9,365,000)	$ 441,000	$ (9,055,000)	$ 562,000
Effective tax rate (as a percent)	826.60%	(74.10%)	423.80%	(55.30%)
Tax benefit of research credits		$ 134,000		$ 134,000