Note 15 - Financial Instruments With Off-balance Sheet Risk - Contractual Amount of Financial Instruments with Off-balance Sheet Risk (Details) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Standby Letters of Credit [Member] |
|
|
| Commitments to extend credit, including unused lines of credit |
$ 4,100
|
$ 10,500
|
| Commitments to Extend Credit [Member] |
|
|
| Commitments to extend credit, including unused lines of credit |
188,000
|
172,000
|
| Fixed Rate [Member] |
|
|
| Commitments to extend credit, including unused lines of credit |
73,653
|
63,683
|
| Fixed Rate [Member] | Standby Letters of Credit [Member] |
|
|
| Commitments to extend credit, including unused lines of credit |
2,284
|
2,495
|
| Fixed Rate [Member] | Commitments to Extend Credit [Member] |
|
|
| Commitments to extend credit, including unused lines of credit |
71,369
|
61,188
|
| Variable Rate [Member] |
|
|
| Commitments to extend credit, including unused lines of credit |
118,695
|
119,201
|
| Variable Rate [Member] | Standby Letters of Credit [Member] |
|
|
| Commitments to extend credit, including unused lines of credit |
1,769
|
7,999
|
| Variable Rate [Member] | Commitments to Extend Credit [Member] |
|
|
| Commitments to extend credit, including unused lines of credit |
$ 116,926
|
$ 111,202
|