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Stockholders' Deficiency - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2017
Nov. 01, 2016
Class of Stock [Line Items]    
Cash exercise price of warrants   $ 0.85
Common stock issued for preferred stock, shares 1,594,670  
Preferred stock dividends paid in kind $ 14,007  
Conversion of preferred stock to common stock 3,986,676  
Series C Preferred Stock [Member]    
Class of Stock [Line Items]    
Preferred stock converted into shares   8
Series B Preferred Stock [Member]    
Class of Stock [Line Items]    
Convertible preferred stock and preferred stock dividends 8,500  
Common Stock [Member]    
Class of Stock [Line Items]    
Number of stock issuable upon exercise of each warrant   1