Quarterly report pursuant to sections 13 or 15(d)

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

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7. Stock options and warrants (Details-Warrants outstanding and exercisable) (Warrants, USD $)
3 Months Ended
Mar. 31, 2014
Outstanding Warrants  
Shares 7,251,050
Weighted Average Exercise Price $ 0.38
Exercisable Warrants  
Shares 6,247,716
Weighted Average Exercise Price $ 0.38
$ 0.30 - $ 0.99 [Member]
 
Outstanding Warrants  
Shares 6,631,050
Weighted Average Exercise Price $ 0.32
Exercisable Warrants  
Shares 5,747,716
Weighted Average Exercise Price $ 0.31
$1.00 - $1.99 [Member]
 
Outstanding Warrants  
Shares 620,000
Life (Years) 6 months
Weighted Average Exercise Price $ 1.00
Exercisable Warrants  
Shares 500,000
Weighted Average Exercise Price $ 1.00
$ 0.30 - $ 0.99 [Member]
 
Outstanding Warrants  
Life (Years) 4 years 3 months 18 days