v3.3.1.900
Commitments and Contingencies - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Loss Contingencies [Line Items]      
Lease expiration term Sep. 30, 2017    
Future minimum payments under operating lease agreements $ 1,100,000    
Rent expense $ 393,000 $ 263,000 $ 301,000
Eligibility for 401(k) retirement savings plan 90 days    
401(k) retirement savings plan matching contributions $ 0    
President and Chief Executive Officer [Member]      
Loss Contingencies [Line Items]      
Employment agreement start date 2012-04    
Employment agreement expiry date 2016-04    
Annual salary under agreement $ 365,000    
Agreement termination condition 30 days    
Minimum salary period to determine company's obligation under condition 18 months    
Minimum percentage of salary payable to determine company's obligation 50.00%    
Chief Financial Officer [Member]      
Loss Contingencies [Line Items]      
Employment agreement start date 2014-04    
Employment agreement expiry date 2016-04    
Annual salary under agreement $ 205,000    
Agreement termination condition 30 days    
Minimum salary period to determine company's obligation under condition 9 months    
Blue Spike Litigation [Member]      
Loss Contingencies [Line Items]      
Lawsuit filing date Oct. 08, 2013    
Additional lawsuit filing date Nov. 19, 2015    
Morpho Komodo Litigation [Member]      
Loss Contingencies [Line Items]      
Lawsuit filing date Jun. 19, 2015