Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v3.3.0.814
Significant Accounting Policies - Additional Information (Detail)
3 Months Ended 9 Months Ended
Oct. 31, 2015
USD ($)
Apr. 20, 2015
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
Segment
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Significant Accounting Policies [Line Items]              
Marketable investments     $ 0   $ 0   $ 0
Restricted cash     13,730   $ 13,730   13,728
Estimated useful life of all property and equipment         3 years    
Amount received upon execution of award agreement   $ 1,250,000          
Total potential milestone payments   3,750,000          
Amortization of future milestone payments   $ 1,250,000     $ 1,250,000    
Operating segments | Segment         1    
Valuation allowance         100.00%    
Uncertain tax position     0   $ 0   $ 0
Impairment charges     $ 0 $ 0 $ 0 $ 0  
Subsequent Event [Member] | CFFT [Member]              
Significant Accounting Policies [Line Items]              
Amount received upon execution of award agreement $ 1,250,000            
Total potential milestone payments $ 2,500,000            
Maximum [Member]              
Significant Accounting Policies [Line Items]              
Cash and cash equivalents maturity period         3 months    
Minimum [Member]              
Significant Accounting Policies [Line Items]              
Marketable investments maturity period         3 months