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Stock Based Compensation (Details Narrative) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Y
Jun. 30, 2011
Notes to Financial Statements        
Share-based compensation expense $ 145,237 $ 125,828 $ 232,753 $ 209,438
Stock options issued during period (in shares) 20,000   84,938  
Weighted average fair value of stock options issued during period $ 2.44   $ 2.28  
Unrecognized compensation cost $ 645,000   $ 645,000  
Period for recognition of unamortized expense (in years)     3