Note 18 - Fair Values - Fair Value of Assets Measured on a Non-recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Other real estate owned	$ 35	$ 31
Fair Value, Nonrecurring [Member]
Collateral dependent impaired loans	33
Other real estate owned	35	31
Total assets measured at fair value	68	31
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Collateral dependent impaired loans
Other real estate owned
Total assets measured at fair value
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Collateral dependent impaired loans
Other real estate owned
Total assets measured at fair value
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Collateral dependent impaired loans	33
Other real estate owned	35	31
Total assets measured at fair value	$ 68	$ 31

Represents the fair value portion of collateral dependent impaired loans.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(4))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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