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Note 13 - Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
Number of shares
       
   
Incentive Stock Option
   
Non-Incentive Stock Option
   
Weighted Average Exercise Price
 
Balance outstanding as of January 1, 2010
    148,750       136,704     $ 19.40  
Granted
    46,000       45,000       5.24  
Exercised
    -       -       -  
Forfeited
    -       (10,875 )     10.50  
Balance outstanding as of December 31, 2010
    194,750       170,829       16.14  
Granted
    -       -       -  
Exercised
    -       -       -  
Forfeited
    (10,250 )     (3,829 )     17.51  
Balance outstanding as of December 31, 2011
    184,500       167,000       16.09  
Granted
    -       -          
Exercised
    (2,003 )     -       6.18  
Forfeited
    (7,997 )     -       6.18  
Balance outstanding as of December 31, 2012
    174,500       167,000     $ 16.38  
Options exercisable as of December 31, 2012
    130,900       131,000     $ 18.95  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   
December 31, 2010
 
Dividends per share
  $ -  
Risk-free interest rate
    2.15 %
Expected life of options (years)
 
5
 
Weighted-average volatility
    42.62 %
Weighted-average fair value of options granted during year
  $ 2.04  
Schedule of Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block]
Beginning ESOP shares
    344,454  
Released shares
    (321,836 )
Shares committed for release
    (22,618 )
Unreleased shares
    -  
         
Fair value of unreleased shares
    -