Annual report pursuant to Section 13 and 15(d)

Outstanding Warrants (Detail Textuals)

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Outstanding Warrants (Detail Textuals) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Aug. 11, 2016
Oct. 24, 2016
Jun. 27, 2016
Dec. 31, 2017
Nov. 15, 2017
Oct. 16, 2013
Class of Warrant or Right [Line Items]            
Number of shares exchanged for warrants exercised (in shares)           5,800,000
Exercise price of warrants (in dollars per share)           $ 5.00
Securities purchase agreement            
Class of Warrant or Right [Line Items]            
Number of shares exchanged for warrants exercised (in shares)         875,000  
Exercise price of warrants (in dollars per share)         $ 1.63  
Fair value of warrant       $ 0.4    
Ontario            
Class of Warrant or Right [Line Items]            
Number of shares exchanged for warrants exercised (in shares)     100,000      
Exercise price of warrants (in dollars per share)     $ 2.61      
Fair value of warrant     $ 0.1      
Number of warrants available for grant       100,000    
Anson | August Note            
Class of Warrant or Right [Line Items]            
Number of shares exchanged for warrants exercised (in shares) 300,000          
Exercise price of warrants (in dollars per share) $ 2.61          
Fair value of warrant $ 0.4          
Number of warrants available for grant       300,000    
Anson | October Note            
Class of Warrant or Right [Line Items]            
Number of shares exchanged for warrants exercised (in shares)   340,000        
Exercise price of warrants (in dollars per share)   $ 2.39        
Fair value of warrant   $ 0.4        
Number of warrants available for grant       340,000    
Class of warrant percentage of common stock issued and outstanding   9.99%