Amount of Shares of Common Stock Reserved (Detail) - shares	Dec. 31, 2015	Mar. 31, 2015
Stock Option Outstanding [Line Items]
Common stock issued and outstanding	5,463,389
Conversion of 9% Notes	275,000
Preferred stock	1,111,111
Warrants outstanding	1,525,611	914,500
Stock options outstanding	690,000	776,500
Common stock reserved for future issuance	9,065,111