Quarterly report pursuant to Section 13 or 15(d)

Development Award - Additional Information (Detail)

v3.3.0.814
Development Award - Additional Information (Detail)
 1 Months Ended 9 Months Ended
Oct. 31, 2015
USD ($)
Apr. 20, 2015
USD ($)
Installment
Oct. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
May. 31, 2015
USD ($)
Development Award [Line Items]          
Amount received upon execution of award agreement   $ 1,250,000      
Deferred revenue       $ 1,250,000 $ 1,250,000
Amortization of future milestone payments   1,250,000   $ 1,250,000  
Resunab [Member]          
Development Award [Line Items]          
Amount received upon execution of award agreement   $ 1,250,000      
Percentage of royalty over receivables under agreement   500.00%      
Payment due period after the first commercial sale   90 days      
Number of installments | Installment   3      
Royalty payment, sales target   $ 500,000,000      
Resunab [Member] | Upon Transfer Sale or Licensing [Member]          
Development Award [Line Items]          
Royalty payable   15,000,000      
Subsequent Event [Member] | CFFT [Member]          
Development Award [Line Items]          
Amount received upon execution of award agreement $ 1,250,000        
Subsequent Event [Member] | CFFT [Member] | Resunab [Member]          
Development Award [Line Items]          
Amount received upon execution of award agreement     $ 1,250,000    
Maximum [Member] | Resunab [Member]          
Development Award [Line Items]          
Development award received   5,000,000      
Maximum [Member] | Resunab [Member] | Upon Commercialization of the Product [Member]          
Development Award [Line Items]          
Royalty payable   25,000,000      
Maximum [Member] | Resunab [Member] | Upon Reaching the Sales Target [Member]          
Development Award [Line Items]          
Royalty payable   $ 5,000,000