Note 2 - Restrictions on Cash	12 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Cash and Cash Equivalents Disclosure [Text Block]	Note 2 – Restrictions on Cash The Company is a member of the Federal Reserve System and prior to March 2020 was required to maintain certain levels of its cash and cash equivalents as reserves based on regulatory requirements. The gross reserve requirement and the required balances with the Federal Reserve Bank of Richmond were zero at December 31, 2021 and 2020, respectively. The Company maintains cash accounts in other commercial banks. The amount on deposit with correspondent institutions at December 31, 2021 exceeded the insurance limits of the FDIC by $1,871,000.

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_CashAndCashEquivalentsDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration