Quarterly report pursuant to Section 13 or 15(d)

Warrants (Narrative) (Details)

v2.4.0.6
Warrants (Narrative) (Details) (USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Number of warrants, Outstanding 21,656,142 8,676,142 21,656,142 8,676,142
Exercise price $ 0.89 $ 1.53 $ 0.89 $ 1.53
Warrant expiration date, start Aug. 08, 2013      
Warrant expiration date, end Dec. 04, 2017      
Average remaining contractual life of warrants outstanding 3 years 7 months 6 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