Annual report pursuant to Section 13 and 15(d)

Warrants (Narrative) (Details)

v3.3.1.900
Warrants (Narrative) (Details) - $ / shares
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Class of Warrant or Right [Line Items]      
Number of warrants, Outstanding 26,491,904 13,205,871 24,968,868
Exercise price $ 0.80 $ 1.07 $ 0.86
Warrant expiration date, start Jul. 05, 2016    
Warrant expiration date, end May 13, 2021    
Average remaining contractual life of warrants outstanding 3 years 9 months 18 days    
Probability of entering into a fundamental transaction 5.00%    
Maximum [Member]      
Class of Warrant or Right [Line Items]      
Exercise price $ 1.50    
Minimum [Member]      
Class of Warrant or Right [Line Items]      
Exercise price $ 0.41