General form of registration statement for all companies including face-amount certificate companies

Commitments and Contingencies - Additional Information (Detail)

v3.2.0.727
Commitments and Contingencies - Additional Information (Detail) - May. 31, 2015 - Project Work Order - USD ($)
Total
Commitment And Contingencies [Line Items]  
Payments for Fees $ 733,916
Estimated remaining cost 3,600,000
Remaining cost of manufacturing agreement 3,200,000
Minimum  
Commitment And Contingencies [Line Items]  
Estimated cost of studies 13,000,000
Maximum  
Commitment And Contingencies [Line Items]  
Estimated cost of studies 15,000,000
Amarex Clinical Research, LLC  
Commitment And Contingencies [Line Items]  
Estimated cost of studies $ 4,400,000