Annual report pursuant to section 13 and 15(d)

9. Stock Options and warrants (Details 1)

v2.4.0.6
9. Stock Options and warrants (Details 1) (USD $)
12 Months Ended
Dec. 31, 2012
$ 0.21 - $ 0.99 [Member]
Dec. 31, 2012
$ 1.00 - $ 1.99 [Member]
Dec. 31, 2012
Stock Options
Dec. 31, 2011
Stock Options
Dec. 31, 2010
Stock Options
Dec. 31, 2009
Stock Options
Dec. 31, 2008
Stock Options
Dec. 31, 2007
Stock Options
Dec. 31, 2006
Stock Options
Dec. 31, 2005
Stock Options
Dec. 31, 2004
Stock Options
Dec. 31, 2003
Stock Options
Shares 27,196,679 81,419 27,278,098 24,067,982 4,837,488 4,851,225 4,601,225 4,188,445 3,999,559 6,508,561 14,422,652 13,250,000
Life (Years) 8 years 1 month 6 days 2 years 9 months 19 days                    
Weighted Average Exercise Price $ 0.27 $ 1.36 $ 0.27 $ 0.30 $ 0.52 $ 0.52 $ 0.53 $ 0.95 $ 0.99 $ 0.53 $ 0.18 $ 0.11
Shares 9,616,679 81,419 9,698,098                  
Weighted Average Exercise Price $ 0.29 $ 1.36 $ 0.30