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Note 11 - Stock Based Compensation (Details) - Restricted Stock Activity (Restricted Stock [Member], USD $)
6 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Restricted Stock [Member]
   
Note 11 - Stock Based Compensation (Details) - Restricted Stock Activity [Line Items]    
Number of Restricted Stock Shares 103,093 129,500
Weighted Average Grant Price Fair Value $ 4.29 $ 4.42
Granted 41,760  
Granted $ 4.31  
Shares vested (68,167)  
Shares vested $ 4.54