Note 6 - Other Real Estate Owned (Details Textual) $ in Thousands	3 Months Ended
Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Real Estate Acquired Through Foreclosure	$ 814		$ 759
Number of Loans Transferred to OREO	4
Real Estate Owned, Transfer to Real Estate Owned	$ 121
Number of Real Estate Properties Sold	2
Sales of Real Estate	$ 66
Gains (Losses) on Sales of Other Real Estate	(71)	$ (125)
Mortgage Loans in Process of Foreclosure, Amount	1,000
Residential One to Four Family [Member]
Real Estate Acquired Through Foreclosure	$ 121
Number of Real Estate Properties	4
Nonfarm Nonresidential [Member]
Real Estate Acquired Through Foreclosure	$ 581
Number of Real Estate Properties	2
Undeveloped Commercial Property [Member]
Real Estate Acquired Through Foreclosure	$ 112
Number of Real Estate Properties	1

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14(d))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 35
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL49126937-111524

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- Definition

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

+ 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/presentationRef
-Publisher FASB
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-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-04(c)(Schedule III))
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- Definition

Revenue from the sale of commercial, industrial, or residential property during the period. This element is more likely than not relevant to an entity for which real estate operations are a principal activity. If real estate operations are not a principal activity, the reporting entity would likely use a gain (loss) on sale of property, plant, or equipment type element.

+ References

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- Definition

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

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