Note 6 - Deposits (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Deposit Liabilities Reclassified as Loans Receivable	$ 421	$ 475
Interest-bearing Domestic Deposit, Brokered	51,784	46,329
Short-term Jumbo Certificates of Deposit [Member]
Time Deposits, at or Above FDIC Insurance Limit	30,957	32,152
Certificates of Deposit [Member]
Time Deposits, at or Above FDIC Insurance Limit	$ 40,521	$ 38,920

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

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 405
-Section 50
-Paragraph 1
-Subparagraph (c)
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- Definition

Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.

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