Note 4 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Loans and Leases Receivable, Related Parties, Ending Balance	$ 15,098	$ 18,700
Loans and Leases Receivable, Related Parties, Period Increase (Decrease), Total	(3,382)	(782)
Loans and Leases Receivable, Related Parties, Additions	6,152
Loans and Leases Receivable, Related Parties, Proceeds	6,372
Related Party Deposit Liabilities	5,907	6,911
Director [Member] \| Small Office Space Lease to Related Party [Member]
Revenue from Related Parties	$ 5	$ 5

For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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