Quarterly report pursuant to sections 13 or 15(d)

5. Stock options and warrants (Details 3)

v2.4.0.8
5. Stock options and warrants (Details 3) (Warrant [Member], USD $)
6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Outstanding Warrants    
Shares 21,489,654 42,205,507
Life (Years) 2 years  
Weighted Average Exercise Price $ 0.32 $ 0.31
Exercisable Warrants    
Shares 20,206,320  
Weighted Average Exercise Price $ 0.32  
$ 0.25 - $ 0.99 [Member]
   
Outstanding Warrants    
Shares 20,989,654  
Life (Years) 2 years  
Weighted Average Exercise Price $ 0.3  
Exercisable Warrants    
Shares 19,706,320  
Weighted Average Exercise Price $ 0.3  
$1.00 - $1.99 [Member]
   
Outstanding Warrants    
Shares 500,000  
Life (Years) 1 year  
Weighted Average Exercise Price $ 1  
Exercisable Warrants    
Shares 500,000  
Weighted Average Exercise Price $ 1