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Note 12 - Share-Based Payments (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Note 12 - Share-Based Payments (Details) [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)   82,876   120,376
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     2 years 109 days  
Allocated Share-based Compensation Expense $ 85,357 $ 91,255 $ 186,334 $ 165,932
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount     0  
Employee Stock Option [Member]
       
Note 12 - Share-Based Payments (Details) [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) 0 82,875 0 120,375
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 691,000   $ 691,000