Note 8 - Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	Number of Unvested Shares of RSUs			Weighted- Average Grant Date Fair Value Per Share
Balance at January 1, 2022		45,018		$	27.49
Granted		1,044		$	27.49
Forfeited		(4,102	)	$	27.49
Balance at March 31, 2022		41,960		$	27.49

	Number of Unvested Shares of RSUs			Weighted- Average Grant Date Fair Value Per Share
Balance at January 1, 2021		47,403		$	20.99
Granted		38,308		$	21.15
Vested		(42,266	)	$	21.15
Balance at March 31, 2021		43,445		$	20.98

Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block]

	Number of Unvested Shares of PSUs		Weighted- Average Grant Date Fair Value Per Share
Balance at January 1, 2022		77,742	$	24.04
Granted		-	$	-
Vested		-	$	-
Balance at March 31, 2022		77,742	$	24.04

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

	Number of Shares		Weighted Average Exercise Price
Non-Exercisable at January 1, 2022		175,952	$	24.00
Granted		-		-
Exercisable		-		-
Non-Exercisable at March 31, 2022		175,952	$	24.00

	Number of Shares		Weighted Average Exercise Price
Non-Exercisable at January 1, 2021		263,928	$	24.00
Granted		-		-
Exercisable		-		-
Non-Exercisable at March 31, 2021		263,928	$	24.00