Note 13 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

2022	$	408,000
2023	$	343,000
2024	$	334,000
2025	$	363,000
2026	$	288,000
2027	$	111,000

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	Restricted Stock
	Number of Shares			Weighted- Average Grant Date Fair Value
Nonvested—January 1, 2021		122,070		$	18.06
Granted		7,608			30.40
Canceled/forfeited/expired		(714	)		28.23
Vested		(9,358	)		21.71
Nonvested—December 31, 2021:		119,606		$	18.5