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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 $ 8,000us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= us-gaap_OfficerMember
$ 11,000us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= us-gaap_OfficerMember
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 $ 19,000us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember
$ 19,000us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
/ us-gaap_TitleOfIndividualAxis
= us-gaap_DirectorMember