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Note 14 - Deferred Compensation Plans (Details) - USD ($)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Officer [Member]    
Note 14 - Deferred Compensation Plans (Details) [Line Items]    
Deferred Compensation Arrangement with Individual, Maximum Contractual Term 15 years  
Deferred Compensation Arrangement with Individual, Requisite Service Period 4 years  
Deferred Compensation Arrangement with Individual, Compensation Expense $ 8,000 $ 11,000
Director [Member]    
Note 14 - Deferred Compensation Plans (Details) [Line Items]    
Deferred Compensation Arrangement with Individual, Maximum Contractual Term 15 years  
Deferred Compensation Arrangement with Individual, Compensation Expense $ 19,000 $ 19,000