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Note 10 - Share-Based Compensation (Details) (USD $)
3 Months Ended 6 Months Ended 1 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Feb. 28, 2014
Incentive Award [Member]
Feb. 28, 2013
Incentive Award [Member]
Jun. 30, 2014
Restricted Stock [Member]
Note 10 - Share-Based Compensation (Details) [Line Items]              
Allocated Share-based Compensation Expense $ 112,000 $ 106,000 $ 211,000 $ 215,000      
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense 0 0 0 0      
Share Based Compensation Arrangement by Share Based Payment Award, Historical Annual Forfeiture Rates 0.00% 3.00% 0.00% 3.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value         218,000 133,100  
Stock Issued During Period, Shares, Share-based Compensation, Gross (in Shares)         35,917 33,187  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)     0 0      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)     0 0      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value     12,000 12,000      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options $ 0   $ 0        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in Shares)             34,919