Note 8 - Fair Value Measurements (Details) - Carrying Value and Estimated Fair Value of Financial Instruments - USD ($)
$ in Thousands |
Jun. 30, 2015 |
Dec. 31, 2014 |
| Financial assets: |
|
|
| Interest-bearing time deposits |
$ 859
|
$ 865
|
| Securities available for sale |
98,361
|
100,226
|
| Securities held to maturity |
5
|
6
|
| Reported Value Measurement [Member] |
|
|
| Financial assets: |
|
|
| Cash and cash equivalents |
39,647
|
33,243
|
| Interest-bearing time deposits |
9,515
|
8,270
|
| Securities available for sale |
98,361
|
100,226
|
| Securities held to maturity |
5
|
6
|
| Loans held for sale |
1,673
|
1,608
|
| Loans, net |
298,865
|
300,603
|
| FHLB stock |
1,550
|
2,241
|
| Accrued interest receivable |
1,538
|
1,580
|
| Cost method investment |
711
|
711
|
| Financial liabilities: |
|
|
| Deposits |
416,247
|
412,636
|
| Accrued interest payable |
94
|
127
|
| Estimate of Fair Value Measurement [Member] |
|
|
| Financial assets: |
|
|
| Cash and cash equivalents |
39,647
|
33,243
|
| Interest-bearing time deposits |
9,618
|
8,370
|
| Securities available for sale |
98,361
|
100,226
|
| Securities held to maturity |
5
|
6
|
| Loans held for sale |
1,708
|
1,641
|
| Loans, net |
298,602
|
301,864
|
| FHLB stock |
1,550
|
2,241
|
| Accrued interest receivable |
1,538
|
1,580
|
| Cost method investment |
711
|
711
|
| Financial liabilities: |
|
|
| Deposits |
415,785
|
412,282
|
| Accrued interest payable |
94
|
127
|
| Fair Value, Inputs, Level 1 [Member] |
|
|
| Financial assets: |
|
|
| Cash and cash equivalents |
39,647
|
33,243
|
| Interest-bearing time deposits |
0
|
0
|
| Securities available for sale |
1,477
|
2,083
|
| Securities held to maturity |
0
|
0
|
| Loans held for sale |
0
|
0
|
| Loans, net |
0
|
0
|
| FHLB stock |
0
|
0
|
| Accrued interest receivable |
0
|
0
|
| Cost method investment |
0
|
0
|
| Financial liabilities: |
|
|
| Deposits |
0
|
0
|
| Accrued interest payable |
0
|
0
|
| Fair Value, Inputs, Level 2 [Member] |
|
|
| Financial assets: |
|
|
| Cash and cash equivalents |
0
|
0
|
| Interest-bearing time deposits |
9,618
|
8,370
|
| Securities available for sale |
96,884
|
98,143
|
| Securities held to maturity |
5
|
6
|
| Loans held for sale |
1,708
|
1,641
|
| Loans, net |
0
|
0
|
| FHLB stock |
1,550
|
2,241
|
| Accrued interest receivable |
1,538
|
1,580
|
| Cost method investment |
711
|
711
|
| Financial liabilities: |
|
|
| Deposits |
0
|
0
|
| Accrued interest payable |
94
|
127
|
| Fair Value, Inputs, Level 3 [Member] |
|
|
| Financial assets: |
|
|
| Cash and cash equivalents |
0
|
0
|
| Interest-bearing time deposits |
0
|
0
|
| Securities available for sale |
0
|
0
|
| Securities held to maturity |
0
|
0
|
| Loans held for sale |
0
|
0
|
| Loans, net |
298,602
|
301,864
|
| FHLB stock |
0
|
0
|
| Accrued interest receivable |
0
|
0
|
| Cost method investment |
0
|
0
|
| Financial liabilities: |
|
|
| Deposits |
415,785
|
412,282
|
| Accrued interest payable |
$ 0
|
$ 0
|