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Note 8 - Fair Value (Details Textual) Pure in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Impaired Loans, Fair Value Disclosure	$ 296,000		$ 296,000			$ 28,000
Provision for Loan and Lease Losses, Total	(678,000)	$ 42,000	(1,013,000)	$ 513,000
Number of Loans Measured for Impairment Using Fair Value of Collateral						0
Foreclosed Assets, Gross	2,000,000.0		2,000,000.0
Foreclosed Assets, Valuation Allowance	281,000	0	281,000	0	$ 0	$ 0	$ 0	$ 0
Repossessed Assets, Total	1,702,000	143,000	1,702,000	143,000	$ 4,630,000	$ 157,000	$ 110,000	$ 186,000
Foreclosed Assets Valuation Adjustments	(281,000)	0	(281,000)	(0)
Impaired Loans [Member]
Provision for Loan and Lease Losses, Total	$ 28,000	$ 0	$ 28,000	$ 0

X

- Definition

Represents gross amount of foreclosed assets before valuation allowance.

+ References

No definition available.

+ Details

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X

- Definition

Represents valuation adjustments of foreclosed assets.

+ References

No definition available.

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X

- Definition

Represents valuation allowance of foreclosed assets.

+ References

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X

- Definition

The fair value portion of impaired loans.

+ References

No definition available.

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- Definition

The number of loans measured for impairment using the fair value of the collateral.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5162-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4437-111522

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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-Topic 310
-SubTopic 10
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-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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