Note 14 - Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Shares			Weighted-Average Grant-date Fair Value
Nonvested at January 1, 2021		47,950		$	28.83
Granted		18,250			28.96
Vested		(14,000	)		30.90
Forfeited		—			—
Nonvested as of December 31, 2021		52,200		$	28.32