Note 9 - Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Nonvested Restricted Stock Shares Activity [Table Text Block]

Non-vested Shares	Shares			Weighted Average Grant Date Fair Value
Non-vested at January 1, 2020		30,205		$	35.63
Granted		13,243			44.30
Vested		(6,400	)		27.50
Forfeited		(220	)		43.65
Non-vested at December 31, 2020		36,828		$	40.11
Non-vested at January 1, 2021		36,828		$	40.11
Granted		17,716			40.50
Vested		(9,993	)		36.71
Forfeited		-			-
Non-vested at March 31, 2021		44,551		$	41.03