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Note 8 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

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

		Number of Stock Options				Weighted-Average Exercise Price
Outstanding as of December 31, 2022			8,680			$	12.95
Exercised			(7,388	)			12.73
Forfeited/cancelled/expired			(1,292	)			14.24
Outstanding as of September 30, 2023			-				-
Exercisable as of September 30, 2023			-			$	-

Nonvested Restricted Stock Shares Activity [Table Text Block]

		Nonvested Shares				Weighted Average Grant Date Fair Value
Nonvested as of December 31, 2022			85,931			$	26.20
Granted			93,147				16.19
Vested			(47,067	)			27.59
Forfeited/cancelled/expired			(9,090	)			21.76
Nonvested as of September 30, 2023			122,921			$	18.41

Schedule of Nonvested Performance-Based Units Activity [Table Text Block]

		Units (expected)				Units (maximum)				Weighted Average Grant Date Fair Value
Unearned as of December 31, 2022			195,265							$	17.98
Awarded			85,158								17.93
Vested shares			(116,192	)							10.77
Unearned as of September 30, 2023			164,231				233,087			$	23.06

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

		Units (expected)				Weighted Average Grant Date Fair Value
Unearned as of December 31, 2022			120,035			$	23.84
Awarded			146,857				18.97
Vested shares			(78,544	)			19.71
Unearned as of September 30, 2023			188,348			$	21.77

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