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Subsequent Events - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Mar. 17, 2016
shares
Mar. 11, 2016
Stockholders
shares
Mar. 09, 2016
shares
Feb. 22, 2016
shares
Nov. 16, 2015
shares
Jul. 28, 2015
shares
Mar. 21, 2015
shares
Dec. 31, 2015
shares
Dec. 31, 2015
shares
Dec. 08, 2015
shares
Dec. 31, 2014
shares
 [1]
Subsequent Event [Line Items]                      
Number of shares converted             4,016,846        
Number of shares after conversion                   50  
Stock issued during period, shares           1,280,410          
Common stock shares outstanding             6,597,155 15,709,786 [1] 15,709,786 [1]   6,597,155
Series B Preferred Stock [Member]                      
Subsequent Event [Line Items]                      
Number of shares after conversion               50 50    
Stock issued during period, shares         29,985            
Series A Preferred Stock [Member]                      
Subsequent Event [Line Items]                      
Number of shares converted               93,500      
Conversion between common and preferred shares, shares                 93,500    
Subsequent Event [Member] | Vendor [Member]                      
Subsequent Event [Line Items]                      
Number of restricted shares issued, in shares     12,000                
Common stock shares outstanding   46,900,000                  
Subsequent Event [Member] | Common Stock [Member]                      
Subsequent Event [Line Items]                      
Stock to be issued related to merger, shares   900,108                  
Subsequent Event [Member] | Exchangeable Shares [Member]                      
Subsequent Event [Line Items]                      
Stock issued during period, shares   1,069,728                  
Number of stockholders | Stockholders   4                  
Exchange shares issued 149,925                    
Subsequent Event [Member] | Series B Preferred Stock [Member]                      
Subsequent Event [Line Items]                      
Number of shares converted       450,962              
Number of shares after conversion       22,548,100              
Ratio of conversion       50              
Subsequent Event [Member] | Series A Preferred Stock [Member]                      
Subsequent Event [Line Items]                      
Stock to be issued related to merger, shares   1,800,220                  
Preferred stock conversion basis   One-for-one                  
Conversion between common and preferred shares, shares   5,719,822                  
[1] All share data for all periods have been retroactively restated to reflect IDI's 1-for-5 reverse stock split, which was effective on March 19, 2015.