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Note 13 - Stock Incentive Plan (Details) - Summary of the Status of Non-vested Shares (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Note 13 - Stock Incentive Plan (Details) - Summary of the Status of Non-vested Shares [Line Items]    
As of December 31, 2013 and as of March 31, 2014 21,034 22,106
Weighted average grant date fair value $ 366.24 $ 365.75
Vested 0 (28,214)
Vested   $ 23.87
As of December 31, 2013 and as of March 31, 2014 21,034 21,034
Weighted average grant date fair value $ 366.24 $ 366.24
Granted And Issued Shares [Member]
   
Note 13 - Stock Incentive Plan (Details) - Summary of the Status of Non-vested Shares [Line Items]    
Shares   20,000
Weighted average grant date fair value   $ 10.64
Granted And Non-Issued Shares [Member]
   
Note 13 - Stock Incentive Plan (Details) - Summary of the Status of Non-vested Shares [Line Items]    
Shares   7,142
Weighted average grant date fair value   $ 11.20