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Equity Instruments - Additional Information (Detail)
9 Months Ended 12 Months Ended
Mar. 31, 2015
USD ($)
Stock_Plan
shares
Jun. 30, 2013
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of stock option plan | Stock_Plan 2  
Shares of common stock reserved for issuance 4,718,827,000,000  
Warrants to purchase common stock, Value | $ $ 313,000 $ 313,064
Luoxis Diagnostics [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares of common stock reserved for issuance 1,102,761  
Vyrix Pharmaceuticals [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares of common stock reserved for issuance 616,067