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Note 13 - Employee Stock Plans (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Nonvested Restricted Stock Shares Activity [Table Text Block]

										*Weighted*
						*Weighted*				*Average*
						*Average*				*Remaining*
						*Grant Date*				*Contractual*
		*Shares*				*Fair value*				*Term (in years)*

Unvested at December 31, 2021			79,903			$	48.87				1.91
Granted			113,047			$	36.78				1.53
Vested			(77,535	)		$	40.97				-
Cancelled and forfeited			(5,770	)		$	48.62				-

Unvested at June 30, 2022			109,645			$	42.00				2.20

Expected to vest in the future at June 30, 2022			107,070			$	42.00				2.20