Quarterly report pursuant to Section 13 or 15(d)

Warrants (Narrative) (Details)

v3.7.0.1
Warrants (Narrative) (Details) - $ / shares
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Mar. 31, 2016
Dec. 31, 2015
Class of Warrant or Right [Line Items]        
Number of warrants, Outstanding 46,067,547 54,526,847 38,991,904 26,491,904
Exercise price $ 0.52 $ 0.49 $ 0.68 $ 0.80
Warrant expiration date, start Dec. 04, 2017      
Warrant expiration date, end Mar. 19, 2022      
Average remaining contractual life of warrants outstanding 3 years 10 months 24 days      
Probability of entering into a fundamental transaction 5.00%      
Maximum [Member]        
Class of Warrant or Right [Line Items]        
Exercise price $ 1.28      
Minimum [Member]        
Class of Warrant or Right [Line Items]        
Exercise price $ 0.30