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Note 15 - Stockholders' Equity (Details) (USD $)
 1 Months Ended 10 Months Ended 12 Months Ended
Aug. 31, 2010
Oct. 31, 2008
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 15 - Stockholders' Equity (Details) [Line Items]          
Preferred Stock, Shares Issued     0 0  
Stock Repurchase Program, Authorized Amount (in Dollars) $ 10,000,000 $ 5,000,000      
Stock Repurchase Program, Additional Authorized Amount (in Dollars) 5,000,000        
Treasury Stock, Shares, Acquired     0 0 286,000
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited     8,944 0 395
Treasury Stock, Shares     0 0  
Stock Repurchased and Retired During Period, Shares     6,652    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term     222 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number     7,500    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)     1,100,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year 219 days    
Allocated Share-based Compensation Expense (in Dollars)     809,000 694,000 503,000
Allocated Share-based Compensation Expense, Net of Tax (in Dollars)       451,000 327,000
Effective Income Tax Rate Reconciliation, Percent       35.00% 35.00%
Proceeds from Stock Options Exercised (in Dollars)     26,000 66,000 43,000
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures (in Dollars)     119,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options (in Dollars)     0    
Pursuant to Future Stock Option and Share Grants [Member] | 2001 Plan [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant     123,751    
To Satisfy Future Exercise of Previously Awarded Stock Options [Member] | 2001 Plan [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized     7,500    
Restricted Stock [Member] | Key Employees [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     25,207 149,704 25,815
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)     $ 9.30 $ 9.70 $ 12.67
Restricted Stock [Member] | Chief Executive Officer [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     100,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)     223,000    
Restricted Stock [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)     $ 10.06 $ 9.70 $ 14.46
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)     234,000 1,500,000 327,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     5 years 5 years 5 years
Allocated Share-based Compensation Expense (in Dollars)     $ 350,000 $ 300,000 $ 297,000
Warrant [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Class Of Warrant Or Right Term Of Warrants Or Rights     10 years    
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)     1.50    
Class Of Warrant Or Rights, Period From Which Warrants Or Rights Exercisable       54 months  
Class of Warrant or Right, Outstanding       1  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights       322,661  
One Warrant [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Class Of Warrant Or Rights, Period From Which Warrants Or Rights Exercisable     42 months    
2001 Plan [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term         10 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized     1,000,000    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant     131,251    
Other Option Plans [Member]
          
Note 15 - Stockholders' Equity (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant     0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number     0