Annual report pursuant to Section 13 and 15(d)

Warrants (Narrative) (Details)

v2.4.0.8
Warrants (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Number of warrants, Outstanding 24,968,868 21,656,142 8,676,142
Exercise price $ 0.86 $ 0.89 $ 1.53
Warrant expiration date, start May 19, 2014    
Warrant expiration date, end Oct. 16, 2018    
Average remaining contractual life of warrants outstanding 3 years 2 months 12 days 3 years 9 months 18 days  
Probability of entering into a fundamental transaction 5.00%    
Maximum [Member]
     
Exercise price $ 1.90    
Minimum [Member]
     
Exercise price $ 0.41