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7. Stock Based Compensation (Details 1) (USD $)
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Stock Based Compensation Details 1    
Number of Options Outstanding, Beginning 1,358,717 1,223,159
Number of Options Granted 0 300,000
Number of Options Forfeited (163,991) (70,011)
Number of Options Outstanding, Ending 1,194,726 1,453,148
Number of Options Excercisable, Ending 750,256 485,346
Weighted Average Exercise Price Outstanding, Beginning $ 2.83 $ 3.74
Weighted Average Exercise Price Granted $ 0 $ 2,093
Weighted Average Exercise Price Forfeited $ 3.16 $ 5.71
Weighted Average Exercise Price Exercised $ 0 $ 0
Weighted Average Exercise Price Outstanding, Ending $ 2.81 $ 3.28
Weighted Average Exercise Price Exercisable, Ending $ 2.93 $ 4.46