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Common stock, preferred stock and warrants - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Jun. 08, 2016
shares
Mar. 11, 2016
shares
Feb. 22, 2016
shares
Sep. 30, 2016
USD ($)
Stockholder
Warrantholder
$ / shares
shares
Dec. 31, 2015
Stockholder
shares
Dec. 08, 2015
USD ($)
$ / shares
shares
Equity [Line Items]            
Common stock, shares issued       50,724,856 15,709,786  
Common stock, shares outstanding       50,663,171 15,709,786  
Treasury stock, shares       61,685 0  
Number of stockholders that the exchange warrants were previously issued to | Stockholder         4  
Warrants outstanding       1,120,102 1,589,830  
Warrants issued in relation to term loan | $       $ 492    
Treasury stock, value | $       $ 305    
Term Loan [Member]            
Equity [Line Items]            
Term Loan | $           $ 45,000
Restricted Stock Units [Member]            
Equity [Line Items]            
Shares issued as a result of vesting       441,422    
Common shares withheld to pay withholding taxes       61,685    
Restricted Stock Units [Member] | Vendor [Member]            
Equity [Line Items]            
Issuance of common shares to vendors for services rendered, shares       14,500    
Warrants Issued To Institutional Investor [Member]            
Equity [Line Items]            
Warrants outstanding       320,102    
Warrants expiration period       24 months    
Registered Direct Offering [Member]            
Equity [Line Items]            
Exercise price of warrants | $ / shares       $ 8.00    
Warrants outstanding       500,000    
Warrants expiration period       24 months    
Warrants exercise period       6 months    
Whitehorse Warrants [Member]            
Equity [Line Items]            
Exercise price of warrants | $ / shares       $ 5.08   $ 5.08
Warrants outstanding       100,000   200,000
Common Stock [Member] | Certain Investors [Member]            
Equity [Line Items]            
Number of common stock issued       1,000,000    
Exchangeable Shares [Member]            
Equity [Line Items]            
Number of common stock issued       1,069,728    
Number of stockholders that the exchange warrants were previously issued to | Stockholder       4    
Other expenses, net | $       $ 1,273    
Number of new warrants holders | Warrantholder       1    
Exchangeable Shares [Member] | New Warrant [Member]            
Equity [Line Items]            
Number of shares of common stock that new warrants to purchase       320,102    
Exercise price of warrants | $ / shares       $ 10.00    
TBO Merger [Member] | Common Stock [Member]            
Equity [Line Items]            
Stock issued related to merger, shares   900,108        
Q Interactive​, LLC [Member] | Common Stock [Member]            
Equity [Line Items]            
Stock issued related to merger, shares 2,369,190          
Series B Preferred Stock [Member]            
Equity [Line Items]            
Preferred stock to be converted     450,962      
Common stock, shares issued upon conversion     22,548,100      
Ratio of conversion     50      
Series A Preferred Stock [Member]            
Equity [Line Items]            
Preferred stock to be converted   6,672,022        
Common stock, shares issued upon conversion   6,672,022        
Series A Preferred Stock [Member] | Certain Investors [Member]            
Equity [Line Items]            
Common stock, shares issued upon conversion   1,800,220        
Series A Preferred Stock [Member] | TBO Merger [Member]            
Equity [Line Items]            
Stock issued related to merger, shares   1,800,220