Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Stock Options, Stock Purchase Plan and Warrants (Details 1)

v2.4.0.6
Stock Options, Stock Purchase Plan and Warrants (Details 1) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Status of our stock options and stock awards    
Stock options, beginning balance 4,779,170 5,470,044
Stock options, granted 1,298,000 519,000
Stock options, exercised (197,209) (382,500)
Stock options, cancelled (102,747) (827,374)
Stock options, ending balance 5,777,214 4,779,170
Stock options, exercisable, ending balance 4,074,834  
Weighted average exercise price, beginning balance $ 0.87 $ 0.87
Weighted average exercise price, granted $ 0.73 $ 0.51
Weighted average exercise price, exercised $ 1.02 $ 0.95
Weighted average exercise price, cancelled $ 1.60 $ 1.15
Weighted average exercise price, ending balance $ 1.02 $ 0.87
Weighted average exercise price, exercisable, ending balance $ 0.79