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Note 5 - Equity Incentive Plan (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Note 5 - Equity Incentive Plan (Details) [Line Items]        
Allocated Share-based Compensation Expense $ 368,603 $ 280,930 $ 1,156,929 $ 914,003
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)     374,500  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)     13,800  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 2,700,000   2,700,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     2 years 255 days  
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriodTotalIntrinsicValue     4,095,833 1,643,502
Proceeds from Other Equity 1,804,773 184,606 2,932,649 331,639
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingNumber (in Shares)     1,700,000  
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsWeightedAverageExercisePrice (in Dollars per share) $ 8.71   $ 8.71  
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingIntrinsicValue $ 25,200,000   $ 25,200,000  
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsOutstandingWeightedAverageRemainingContractualTerm 6 years 6 months   6 years 6 months  
ShareBasedCompensationArrangementByShareBasedPaymentAwardContractualTermRange     10 years  
Minimum [Member]
        
Note 5 - Equity Incentive Plan (Details) [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares)     650,000  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     1 year  
Maximum [Member]
        
Note 5 - Equity Incentive Plan (Details) [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares)     3,800,000  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years