Note 6 - Stock Compensation Plan (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	Shares		Weighted-Average Grant-date Fair Value
Nonvested at January 1, 2022		52,200	$	28.32
Granted		—		—
Vested		—		—
Forfeited		—		—
Nonvested as of March 31, 2022		52,200	$	28.32