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Note 2 - Debt Securities - Securities by Contractual Maturity (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Securities available for sale, due within one year, amortized cost
Securities available for sale, due within one year, fair value
Securities available for sale, due after one year but within five years, amortized cost	20,759
Securities available for sale, due after one year but within five years, fair value	21,015
Securities available for sale, due after five years but within ten years, amortized cost	63,066
Securities available for sale, due after five years but within ten years, fair value	63,971
Securities available for sale, due after ten years, amortized cost
Securities available for sale, due after ten years, fair value
Securities available for sale, single maturity date, amortized cost	83,825
Securities available for sale, single maturity date, fair value	84,986
Total debt securities available for sale, amortized cost	117,844
Total debt securities available for sale, fair value	119,076
Collateralized Mortgage Backed Securities [Member]
Securities available for sale, no single maturity date, amortized cost	34,019
Securities available for sale, no single maturity date, fair value	$ 34,090

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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