Note 8 - Other Real Estate Owned (OREO) (Details Textual) $ in Thousands	12 Months Ended
Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Number of Loans Transferred to OREO	5
Real Estate Owned, Transfer to Real Estate Owned	$ 140	$ 981	$ 147
Number of Real Estate Properties Sold	5
Other Real Estate, Disposals	$ 144	1,743	745
Gains (Losses) on Sales of Other Real Estate	$ 73	$ 368	$ (109)
Residential One to Four Family [Member]
Number of Real Estate Properties	1
Real Estate Acquired Through Foreclosure	$ 31

Number of loans transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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- Definition

The number of real estate properties sold during the period.

+ References

No definition available.

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- Definition

The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14(d))
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

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The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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Disposals 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 excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5162-111524

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-Topic 310
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4437-111522

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- Definition

Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
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