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Contingencies and Commitments - Additional Information (Detail) - USD ($)
12 Months Ended
Jun. 21, 2016
Mar. 21, 2016
Dec. 31, 2015
License and Assignment Commitment [Member]      
Commitment And Contingencies [Line Items]      
Payment of annual license maintenance fees     $ 50,000
Payment of annual license maintenance fees     $ 50,000
Percentage of royalty on sales of the licensed product     6.00%
Scenario, Forecast [Member] | License and Assignment Commitment [Member]      
Commitment And Contingencies [Line Items]      
Upfront license fee payments $ 350,000    
Subsequent Event [Member] | License and Assignment Commitment [Member]      
Commitment And Contingencies [Line Items]      
Upfront license fee payments   $ 100,000  
Office Property Lease Agreement [Member]      
Commitment And Contingencies [Line Items]      
Term of lease     1 year
Lease expiration date     Jul. 31, 2016
Minimum rental payments     $ 17,500