Quarterly report pursuant to sections 13 or 15(d)

7. Stock options and warrants (Details-Options outstanding and exercisable)

v2.4.0.8
7. Stock options and warrants (Details-Options outstanding and exercisable) (Options, USD $)
3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Outstanding Options      
Shares 20,254,908 20,309,908 27,278,098
Life (Years) 6 years 9 months 18 days    
Weighted Average Exercise Price $ 0.28 $ 0.28 $ 0.27
Exercisable Options      
Shares 18,111,280    
Weighted Average Exercise Price $ 0.28    
$ 0.21 - $ 0.99 [Member]
     
Outstanding Options      
Shares 19,991,679    
Life (Years) 6 years 9 months 18 days    
Weighted Average Exercise Price $ 0.27    
Exercisable Options      
Shares 17,991,679    
Weighted Average Exercise Price $ 0.27    
$ 1.00 - $ 1.99 [Member]
     
Outstanding Options      
Shares 263,229    
Life (Years) 6 years    
Weighted Average Exercise Price $ 1.22    
Exercisable Options      
Shares 119,601    
Weighted Average Exercise Price $ 1.27