The maximum number of days consumer loans are past due for losses on such loans to be written off.

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The minimum number of days consumer loans are past due for losses on such loans to be written off.

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Percentage multiplication of qualitative factor allocations.

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Number of days loans secured by residential or commercial real estate are past due for losses to be written off.

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Minimum period of time between issuance of loans commitment and closing and sale of loans.

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Maximum period of time between issuance of loans commitment and closing and sale of loans.

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This is threshold for designation to impaired status for loan relationship that are non accrual, significantly past due, display credit weakness or are TDR.

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Percentage of unallocated surplus.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2023
Number of Days Past Due (Day)	30 days
Number of Days of Delinquent Loans Nonaccrual of Interest (Year)	90 years
Minimum Number of Days Consumer Loans are Past Due for Losses to be Charged Off (Day)	120 days
Maximum Number of Days Consumer Loans are Past Due for Losses to be Charged Off (Day)	180 days
Number of Days Loans Secured by Residential Or Commercial Real Estate Are Past Due for Losses to Be Carged Off (Day)	180 days
Threshold for Designation to Impaired Status	$ 250
Period of Time Between Issuance of Loan Commitment and Closing and Sale of Loans Lower Range (Day)	30 days
Period of Time Between Issuance of Loan Commitments and Closing and Sale of Loans Upper Range (Day)	60 days
Goodwill, Impairment Loss	$ 0	$ 0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	0
Advertising Expense	$ 163	$ 112
Retained Earnings (Accumulated Deficit), Total	$ 199,091	$ 188,229
Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member] \| Subsequent Event [Member]
Financing Receivable, Allowance for Credit Loss, Ending Balance			$ 2,014
National Bank of Blacksburg [Member]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%
Building [Member]
Property, Plant and Equipment, Useful Life (Year)	40 years
Computer Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Minimum [Member]
Unallocated Surplus Percent	0.00%
Minimum [Member] \| Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Maximum [Member]
Unallocated Surplus Percent	5.00%
Maximum [Member] \| Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Special Mention [Member]
Multiplication of Qualitative Factor Allocations	150.00%
Classified Excluding Impaired [Member]
Multiplication of Qualitative Factor Allocations	200.00%
Residential Portfolio Segment [Member] \| Multifamily Real Estate [Member]
Threshold for Designation to Impaired Status	$ 250
Commercial Real Estate Portfolio Segment [Member]
Threshold for Designation to Impaired Status	$ 500