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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Note 11 - Regulatory Matters (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended
	Apr. 29, 2020	Feb. 08, 2019	Mar. 31, 2020	Mar. 31, 2019
Stock Issued During Period, Shares, New Issues (in shares)		3,285,550
Shares Issued, Price Per Share (in dollars per share)		$ 7
Shares Issued, Underwriting Discount Per Share (in dollars per share)		$ 0.35
Proceeds from Issuance of Common Stock		$ 21,300	$ 15	$ 21,316
Common Stock, Dividends, Per Share, Declared (in dollars per share)			$ 0.055	$ 0.05
Common Stock, Dividends, Per Share, Declared (in dollars per share)			$ 0.05
Stock Issued During Period, Shares, Dividend Reinvestment Plan (in shares)			2,842	1,639
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.055
Dividends Payable, Date to be Paid	Jun. 15, 2020
Dividends Payable, Date of Record	Jun. 01, 2020
FNCB Bank [Member]
Payments for Capital Investment in Wholly Owned Subsidiary				$ 17,800
Over-Allotment Option [Member]
Stock Issued During Period, Shares, New Issues (in shares)		428,550