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Note 18 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]  
Commitments to Extend Credit [Table Text Block]
(In thousands)   2015   2014
         
Loan commitments:                
Fixed rate   $ 4,007     $ 351  
Adjustable rate     3,854       7,062  
                 
Unused lines of credit on credit cards     4,429       4,732  
Undisbursed commercial and personal lines of credit     29,359       19,390  
Undisbursed portion of construction loans in process     4,869       3,325  
Undisbursed portion of home equity lines of credit     26,910       24,206  
                 
Total commitments to extend credit   $ 73,428     $ 59,066