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Note 1 - General (Details Textual) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 01, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Jun. 30, 2021 | Sep. 30, 2020
Financing Receivable, Deferred Payments |  |  |  |  | $ 0 |
Financing Receivable, Modifications, Interest Only Payments |  |  |  |  | 14,600 |
Loans and Leases Receivable, Net Amount, Total |  |  | $ 622,429 | [1] | 611,883 |
The Bank of Fincastle [Member] | Subsequent Event [Member] |  |  |  |  |  |
Business Combination, Consideration Transferred, Total | $ 33,800 |  |  |  |  |
SBA CARES Act Paycheck Protection Program [Member] |  |  |  |  |  |
Financing Receivable, Loans Originated, Amount |  |  |  |  |  | $ 76,600
Loans and Leases Receivable, Deferred Income, Total |  |  |  |  |  | 2,500
Financing Receivable, Unamortized Loan Fee (Cost) |  |  |  |  |  | $ 535
Financing Receivable, Percentage of PPP Loans Maturing in 24 Months |  |  |  |  |  | 99.00%
Loans and Leases Receivable, Net Amount, Total |  |  |  |  | 26,100 |
New SBA CARES Act Paycheck Protection Program [Member] |  |  |  |  |  |
Financing Receivable, Loans Originated, Amount |  |  |  |  | 26,200 |
Financing Receivable, Unamortized Loan Fee (Cost) |  |  |  |  | 65 |
Loans and Leases Receivable, Net Amount, Total |  |  |  |  | 25,000 |
Loan Fees Receivable from SBA |  |  |  |  | 1,400 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments |  |  |  |  | 14,600 |
Commercial Real Estate Portfolio Segment [Member] | Lodging Sector [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments |  |  |  |  | 12,900 |
Commercial Real Estate Portfolio Segment [Member] | Leisure Sector [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments |  |  |  |  | $ 1,700 |
Minimum [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments, Period (Month) |  |  | 6 months |  |  |
Maximum [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments, Period (Month) |  |  | 24 months |  |  |
Subordinated Debt [Member] |  |  |  |  |  |
Proceeds from Issuance of Debt |  | $ 5,000 |  |  |  |
[1] | Derived from audited consolidated financial statements.

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