Note 5 - Loans and Related Allowance for Loan and Lease Losses - Additional Information on Impaired Loans (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Average recorded investment | $ 13,884 | $ 8,573 |
| Interest income recognized | 1,080 | 445 |
| Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | ||
| Average recorded investment | 2,637 | 1,334 |
| Interest income recognized | 231 | 53 |
| Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | ||
| Average recorded investment | 8,671 | 5,023 |
| Interest income recognized | 646 | 262 |
| Residential Portfolio Segment [Member] | ||
| Average recorded investment | 998 | 1,208 |
| Interest income recognized | 46 | 56 |
| Commercial And Industrial [Member] | ||
| Average recorded investment | 1,331 | 763 |
| Interest income recognized | 145 | 62 |
| Home Equity Lines of Credit [Member] | ||
| Average recorded investment | 247 | 245 |
| Interest income recognized | $ 12 | $ 12 |