Note 8 - Deposits (Details Textual) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Time Deposits, Total	$ 233,064,000	$ 162,424,000
Time Deposits, at or Above FDIC Insurance Limit	201,398,000	148,331,000
Deposit Liabilities Reclassified as Loans Receivable	420,000	70,000
Related Party Deposit Liabilities	4,757,000	8,104,000
Certificates of Deposit [Member]
Time Deposits, at or Above FDIC Insurance Limit	49,636,000	33,635,000
Brokered Deposits [Member]
Time Deposits, Total	10,180,000	0
Brokered Deposits through CDARS [Member]
Time Deposits, Total	$ 16,000,000	$ 0

Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818

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- Definition

Amount of deposits held by the entity for a related party (entity, shareholder, employee).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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Amount of time deposit liabilities, including certificates of deposit.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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