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7. Stock Based Compensation Plans (Details 1) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Stock Based Compensation Plans Details 1    
Number of Options Outstanding, Beginning 1,358,717 1,223,159
Number of Options Granted 49,500 340,000
Number of Options Forfeited (202,377) (132,458)
Number of Options Outstanding, Ending 1,205,840 1,430,701
Number of Options Excercisable, Ending 837,902 586,935
Weighted Average Exercise Price Outstanding, Beginning $ 2.81 $ 3.74
Weighted Average Exercise Price Granted $ 0.56 $ 2.83
Weighted Average Exercise Price Forfeited $ 3.16 $ 6.08
Weighted Average Exercise Price Outstanding, Ending $ 2.66 $ 3
Weighted Average Exercise Price Exercisable, Ending $ 2.81 $ 3.57