Note 15 - Stock Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	Vested Shares		Weighted Average Exercise Price Per Share		Non-vested Shares			Weighted Average Exercise Price Per Share		Total Shares		Weighted Average Exercise Price Per Share
Outstanding—January 1, 2021		25,300	$	28.40		19,700		$	28.71		45,000	$	28.54
Granted		—		—		—			—		—		—
Forfeited		—		—		—			—		—		—
Exercised		—		—		—			—		—		—
Vested		8,900		28.52		(8,900	)		28.52		—		—
Outstanding—December 31, 2021		34,200	$	28.43		10,800		$	28.86		45,000	$	28.54
Options exercisable at year end		—		—		—			—		—		—
Weighted average fair value of options per share granted during the year		—		—	$	—			—	$	—		—
Remaining contractual life (years)		1.2				1.4					1.3

	Vested Shares		Weighted Average Exercise Price Per Share		Non-vested Shares			Weighted Average Exercise Price Per Share		Total Shares		Weighted Average Exercise Price Per Share
Outstanding—January 1, 2020		16,400	$	28.34		28,600		$	28.65		45,000	$	28.54
Granted		—		—		—			—		—		—
Forfeited		—		—		—			—		—		—
Exercised		—		—		—			—		—		—
Vested		8,900		28.52		(8,900	)		28.52		—		—
Outstanding—December 31, 2020		25,300	$	28.40		19,700		$	28.71		45,000	$	28.54
Options exercisable at year end		—		—		—			—		—		—
Weighted average fair value of options per share granted during the year		—		—	$	—			—	$	—		—
Remaining contractual life (years)		2.2				2.3					2.3

Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

	Options Outstanding					Options Exercisable
Range of exercise price	Number Outstanding		Weighted Average Remaining Contractual Life (years)	Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)
$27.99		7,000	1.0	$	27.99		28,000	$	27.99	1.0
$30.58		2,800	2.0	$	30.58		4,200	$	30.58	2.0
$30.14		1,000	2.8	$	30.14		2,000	$	30.14	2.8

	Options Outstanding					Options Exercisable
Range of exercise price	Number Outstanding		Weighted Average Remaining Contractual Life (years)	Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)
$27.99		14,000	2.0	$	27.99		21,000	$	27.99	2.0
$30.58		4,200	3.0	$	30.58		2,800	$	30.58	3.0
$30.14		1,500	3.8	$	30.14		1,500	$	30.14	3.8

Phantom Share Units (PSUs) [Member]

Notes Tables

Share-based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block]

	Number of Phantom Shares
Outstanding—beginning		76,403
Granted—arising from dividends declared during the year.		-
Forfeited—due to death		(13,483	)
Outstanding—ending		62,920