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Note 1 - General (Details Textual) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 18, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Mar. 31, 2021 | Sep. 30, 2020
Financing Receivable, Deferred Payments |  |  |  |  | $ 0 |
Financing Receivable, Modifications, Interest Only Payments |  |  |  |  | 14,300 |
Loans and Leases Receivable, Net Amount, Total |  |  | $ 622,429 | [1] | 630,716 |
The Bank of Fincastle [Member] |  |  |  |  |  |
Business Combination, Consideration Transferred, Total | $ 31,600 |  |  |  |  |
SBA CARES Act Paycheck Protection Program [Member] |  |  |  |  |  |
Financing Receivable, Loans Originated, Amount |  |  |  |  | 19,800 | $ 76,600
Loans and Leases Receivable, Deferred Income, Total |  |  |  |  |  | 2,500
Financing Receivable, Unamortized Loan Fee (Cost) |  |  |  |  | 51 | $ 535
Financing Receivable, Percentage of PPP Loans Maturing in 24 Months |  |  |  |  |  | 99.00%
Loans and Leases Receivable, Net Amount, Total |  |  |  |  | 46,500 |
Loan Fees Receivable from SBA |  |  |  |  | 1,100 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments |  |  |  |  | 14,300 |
Commercial Real Estate Portfolio Segment [Member] | Lodging Sector [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments |  |  |  |  | 12,800 |
Commercial Real Estate Portfolio Segment [Member] | Leisure Sector [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments |  |  |  |  | $ 1,500 |
Minimum [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments, Period (Month) |  |  | 180 days |  |  |
Maximum [Member] |  |  |  |  |  |
Financing Receivable, Modifications, Interest Only Payments, Period (Month) |  |  | 2 years |  |  |
Subordinated Debt [Member] |  |  |  |  |  |
Proceeds from Issuance of Debt |  | $ 5,000 |  |  |  |
[1] | Derived from audited consolidated financial statements.

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