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Note 2 - Debt Securities - Securities by Contractual Maturity (Details) $ in Thousands	Sep. 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	24,555
Securities available for sale, due after one year but within five years, fair value	24,825
Securities available for sale, due after five years but within ten years, amortized cost	54,974
Securities available for sale, due after five years but within ten years, fair value	55,739
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	79,529
Securities available for sale, single maturity date, fair value	80,564
Total debt securities available for sale, amortized cost	114,277
Total debt securities available for sale, fair value	115,537
Collateralized Mortgage Backed Securities [Member]
Securities available for sale, no single maturity date, amortized cost	34,748
Securities available for sale, no single maturity date, fair value	$ 34,973

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

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