Note 9 - Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

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, 2021		28,037		$	21.80
Granted		20,126			18.35
Vested		(9,599	)		22.20
Forfeited		-			-
Balance of shares non-vested as of March 31, 2021		38,564		$	19.90

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

Performance Stock Units	Performance Stock Units		Weighted Average Grant Date Fair Value
Balance of shares non-vested as of January 1, 2021		53,075	$	15.40
Granted		-		-
Vested		-		-
Forfeited		-		-
Balance of shares non-vested as of March 31, 2021		53,075	$	15.40