Stock Options and Restricted Shares - Summary of Stock Option and Stock Incentive Award Plans (Details) - USD ($)	6 Months Ended	12 Months Ended
	Sep. 30, 2016	Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant [Roll Forward]
Shares Available for Grant, Beginning Balance (shares)	787,686
Shares Available for Grant, Shares Reserved Under New Plan (share)	1,750,000
Shares Available for Grant, Granted to Non-Employee (shares)	(39,293)
Shares Available for Grant, Ending Balance (shares)	1,613,351	787,686
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares, Beginning Balance (shares)	2,017,046
Number of Shares, Granted (shares)	0
Number of Shares, Exercised (shares)	0
Number of Shares, Ending Balance (shares)	1,942,446	2,017,046
Number of Shares, Exercisable (shares)	1,782,846
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Beginning Balance (in dollars per share)	$ 3.32
Weighted Average Exercise Price, Exercised (in dollars per share)	0.00
Weighted Average Exercise Price, Ending Balance (in dollars per share)	3.26	$ 3.32
Weighted Average Exercise Price, Exercisable Ending Balance (in dollars per share)	$ 3.34
Weighted Average Remaining Contractual Term (in years)	3 years 5 months 25 days	4 years 6 months 13 days
Weighted Average Remaining Contractual Term, Exercisable (in years)	3 years 5 months 6 days
Aggregate Intrinsic Value, Ending Balance (in dollars)	$ 0
Aggregate Intrinsic Value, Exercisable (in dollars)	$ 0
Common stock options
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant [Roll Forward]
Shares Available for Grant, Granted to Employee (shares)	0
Shares Available for Grant, Forfeited (shares)	74,600
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares, Granted (shares)	0
Number of Shares, Forfeited (shares)	(74,600)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price, Granted Stock Options (in dollars per share)	$ 0.00
Weighted Average Exercise Price, Forfeited (in dollars per share)	$ 4.85
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant [Roll Forward]
Shares Available for Grant, Granted to Employee (shares)	(1,047,142)
Shares Available for Grant, Forfeited (shares)	87,500