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7. Stock Based Compensation Plan (Details Narrative) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Stock Based Compensation Plan Details Narrative        
Stock Based Compensation Expense $ 192,000 $ 552,000 $ 387,000 $ 978,000