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Commitments and Contingencies - Additional Information (Detail) - USD ($)
1 Months Ended 6 Months Ended
Jun. 23, 2016
Oct. 31, 2014
Jun. 30, 2016
Jun. 20, 2016
Loss Contingencies [Line Items]        
Note payable, amount     $ 30,000  
BioRASI LLC [Member]        
Loss Contingencies [Line Items]        
Complaint filed seeking payments related to clinical trial   $ 500,000    
Provision related to clinical trial     $ 0  
Office Lease [Member]        
Loss Contingencies [Line Items]        
Lease agreement term 38 months      
Monthly base rent in year one $ 3,500      
Monthly base rent in year two 3,700      
Monthly base rent in year three 3,800      
Monthly base rent in the final two months of the agreement 3,900      
Total base rent over the lease term $ 139,800      
Note Payable [Member]        
Loss Contingencies [Line Items]        
Note payable, amount       $ 30,000
Note payable, interest rate       10.00%
Note payable and accrued interest, payment terms     The note and accrued interest is payable five days after the completion of the financing by Huapont.  
Note payable and accrued interest, repayment date     Jul. 13, 2016