XML 59 R48.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 16 - Loss Per Common Share (Details Textual) - $ / shares
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Jul. 15, 2015
Employee Stock Option [Member] | Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 0.07 $ 0.08  
Employee Stock Option [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 0.77 $ 1.44  
Employee Stock Option [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 53,754,485 42,558,733  
Warrant [Member] | Minimum [Member]      
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.07 $ 0.17  
Warrant [Member] | Maximum [Member]      
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.17 $ 0.19  
Warrant [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 48,765,331 36,509,931  
Written Call Options [Member] | Minimum [Member]      
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.15    
Written Call Options [Member] | Maximum [Member]      
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.25    
Written Call Options [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 300,000,000    
Minimum [Member]      
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 0.48
Maximum [Member]      
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 0.49