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7. Share-based Compensation (Details Narrative) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Share-Based Compensation Details Narrative        
Estimated forfeiture rate 8.00% 9.39%    
aggregate intrinsic value of outstanding stock options $ 904,622   $ 904,622  
aggregate intrinsic value of exercisable stock options 550,031   550,031  
stock compensation expense 57,134 51,788 154,747 183,657
Unrecognized compensation expense related to unvested stock options 379,129   379,129  
Recognize compensation expense, weighted average period $ 57,134 $ 51,788 $ 154,747 $ 183,657