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Note 11 - Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Balances of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Balance	$ 245,879	$ 244,670
Balance	251,157	245,879
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Balance	(1,046)	(586)
Other comprehensive income (loss) before reclassifications	1,072	(521)
Amounts reclassified from accumulated other comprehensive income (loss)	19	61
Net current period other comprehensive income (loss)	1,091	(460)
Balance	45	(1,046)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance	(68)
Other comprehensive income (loss) before reclassifications	388	(380)
Amounts reclassified from accumulated other comprehensive income (loss)	(271)	312
Net current period other comprehensive income (loss)	117	(68)
Balance	49	(68)
AOCI Attributable to Parent [Member]
Balance	(1,114)	(586)
Other comprehensive income (loss) before reclassifications	1,460	(901)
Amounts reclassified from accumulated other comprehensive income (loss)	(252)	373
Net current period other comprehensive income (loss)	1,208	(528)
Balance	$ 94	$ (1,114)

X

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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