Note 9 - Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Nonvested Restricted Stock Shares Activity [Table Text Block]

Restricted Stock	Number of Shares			Weighted Average Grant-Date Fair Value
Balance of shares non-vested as of January 1, 2020		24,378		$	22.75
Granted		14,366			23.50
Vested		(10,964	)		22.23
Forfeited		-			-
Balance of shares non-vested as of March 31, 2020		27,780		$	23.34

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

Restricted Stock Units	Performance Stock Units		Weighted Average Grant-Date Fair Value
Balance of shares non-vested as of January 1, 2020		-	$	-
Granted		43,700		15.62
Vested		-		-
Forfeited		-		-
Balance of shares non-vested as of March 31, 2020		43,700	$	15.62