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Note 5. Stock-Based Compensation (Detail) - Restricted Stock Awards (USD $)
9 Months Ended
Sep. 30, 2012
Non-vested balance at January 1, 2012 626,000
Non-vested balance at January 1, 2012 (in Dollars per share) $ 0.71
Changes during the period:  
Shares granted 109,748
Shares granted (in Dollars per share) $ 1.00
Shares vested (529,330)
Shares vested (in Dollars per share) $ 0.76
Shares forfeited (177,084)
Shares forfeited (in Dollars per share) $ 0.70
Non-vested balance at September 30, 2012 29,334
Non-vested balance at September 30, 2012 (in Dollars per share) $ 1.00