Note 3 - Loans (Details) - Activity in the Allowance for Loan Losses - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Jun. 30, 2015
Jun. 30, 2014
Note 3 - Loans (Details) - Activity in the Allowance for Loan Losses [Line Items]          
Balance $ 2,368 $ 2,221 $ 2,221    
Ending Balance Allocated to:          
Loans individually evaluated for impairment       $ 30 $ 0
Loans collectively evaluated for impairment       2,462 2,198
Loans and leases receivable allowance 2,492 2,221 2,368 2,492 2,198
Ending Loan Balance Disaggregated by Evaluation Method          
Loans individually evaluated for impairment       1,504 1,054
Loans collectively evaluated for impairment       288,940 256,221
Loans and leases receivable     276,897 290,444 257,275
Provision for Loan Losses 117 65 189    
Charge-Offs (14) (109) (113)    
Recoveries of prior charge-offs 21 21 71    
Balance 2,492 2,198 2,368    
1-4 Family Residential [Member]          
Note 3 - Loans (Details) - Activity in the Allowance for Loan Losses [Line Items]          
Balance 1,326 1,126 1,126    
Ending Balance Allocated to:          
Loans individually evaluated for impairment       15 0
Loans collectively evaluated for impairment       1,319 1,184
Loans and leases receivable allowance 1,326 1,126 1,326 1,334 1,184
Ending Loan Balance Disaggregated by Evaluation Method          
Loans individually evaluated for impairment       696 112
Loans collectively evaluated for impairment       162,348 145,265
Loans and leases receivable     161,134 163,044 145,377
Provision for Loan Losses 1 51      
Charge-Offs 0 0      
Recoveries of prior charge-offs 7 7      
Balance 1,334 1,184 1,326    
Home Equity Loans and Lines [Member]          
Note 3 - Loans (Details) - Activity in the Allowance for Loan Losses [Line Items]          
Balance 288 253 253    
Ending Balance Allocated to:          
Loans individually evaluated for impairment       10 0
Loans collectively evaluated for impairment       347 286
Loans and leases receivable allowance 288 253 288 357 286
Ending Loan Balance Disaggregated by Evaluation Method          
Loans individually evaluated for impairment       84 95
Loans collectively evaluated for impairment       38,783 31,843
Loans and leases receivable     32,346 38,867 31,938
Provision for Loan Losses 62 31      
Charge-Offs (2) (1)      
Recoveries of prior charge-offs 9 3      
Balance 357 286 288    
Multi-family Residential [Member]          
Note 3 - Loans (Details) - Activity in the Allowance for Loan Losses [Line Items]          
Balance 184 190 190    
Ending Balance Allocated to:          
Loans individually evaluated for impairment       0 0
Loans collectively evaluated for impairment       194 178
Loans and leases receivable allowance 184 190 184 194 178
Ending Loan Balance Disaggregated by Evaluation Method          
Loans individually evaluated for impairment       0 0
Loans collectively evaluated for impairment       22,174 20,190
Loans and leases receivable     20,844 22,174 20,190
Provision for Loan Losses 10 (12)      
Charge-Offs 0 0      
Recoveries of prior charge-offs 0 0      
Balance 194 178 184    
Commercial Real Estate Loans [Member]          
Note 3 - Loans (Details) - Activity in the Allowance for Loan Losses [Line Items]          
Balance 563 642 642    
Ending Balance Allocated to:          
Loans individually evaluated for impairment       0 0
Loans collectively evaluated for impairment       594 542
Loans and leases receivable allowance 563 642 563 594 542
Ending Loan Balance Disaggregated by Evaluation Method          
Loans individually evaluated for impairment       719 847
Loans collectively evaluated for impairment       64,655 58,053
Loans and leases receivable     61,874 65,374 58,900
Provision for Loan Losses 31 (1)      
Charge-Offs 0 (99)      
Recoveries of prior charge-offs 0 0      
Balance 594 542 563    
Land Loans [Member]          
Note 3 - Loans (Details) - Activity in the Allowance for Loan Losses [Line Items]          
Balance 1 2 2    
Ending Balance Allocated to:          
Loans individually evaluated for impairment       0 0
Loans collectively evaluated for impairment       1 1
Loans and leases receivable allowance 1 2 1 1 1
Ending Loan Balance Disaggregated by Evaluation Method          
Loans individually evaluated for impairment       0 0
Loans collectively evaluated for impairment       99 18
Loans and leases receivable     17 99 18
Provision for Loan Losses 0 (1)      
Charge-Offs 0 0      
Recoveries of prior charge-offs 0 0      
Balance 1 1 1    
Consumer and Other Loans [Member]          
Note 3 - Loans (Details) - Activity in the Allowance for Loan Losses [Line Items]          
Balance 6 8 8    
Ending Balance Allocated to:          
Loans individually evaluated for impairment       5 0
Loans collectively evaluated for impairment       7 7
Loans and leases receivable allowance 6 8 6 12 7
Ending Loan Balance Disaggregated by Evaluation Method          
Loans individually evaluated for impairment       5 0
Loans collectively evaluated for impairment       881 852
Loans and leases receivable     682 $ 886 $ 852
Provision for Loan Losses 13 (3)      
Charge-Offs (12) (9)      
Recoveries of prior charge-offs 5 11      
Balance $ 12 $ 7 $ 6