Quarterly report pursuant to Section 13 or 15(d)

J. Warrants Outstanding and Exercisable (Details)

v2.4.0.8
J. Warrants Outstanding and Exercisable (Details) (Warrant, USD $)
 9 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Warrants Outstanding, Number Outstanding 9,359,914 10,830,416 14,921,920
Warrants Outstanding, Weighted Average Remaining Contractual Life (Years) 2 years 1 month 13 days    
Weighted Average Exercise Price 0.32 0.45 0.50
Warrants Exercisable, Number Exercisable 9,359,914    
Warrants Exercisable, Weighted Average Exercise Price $ 0.32    
$0.13
      
Warrants Outstanding, Number Outstanding 7,230,778    
Warrants Outstanding, Weighted Average Remaining Contractual Life (Years) 2 years 4 months 13 days    
Weighted Average Exercise Price 0.13    
Warrants Exercisable, Number Exercisable 7,230,778    
Warrants Exercisable, Weighted Average Exercise Price $ 0.13    
$0.33
      
Warrants Outstanding, Number Outstanding 1,628,800    
Warrants Outstanding, Weighted Average Remaining Contractual Life (Years) 1 year 1 month 17 days    
Weighted Average Exercise Price 0.33    
Warrants Exercisable, Number Exercisable 1,628,800    
Warrants Exercisable, Weighted Average Exercise Price $ 0.33    
$3.00
      
Warrants Outstanding, Number Outstanding 500,336    
Warrants Outstanding, Weighted Average Remaining Contractual Life (Years) 1 year 10 months 10 days    
Weighted Average Exercise Price 3    
Warrants Exercisable, Number Exercisable 500,336    
Warrants Exercisable, Weighted Average Exercise Price $ 3