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Note 15 - Share-based Payments (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

		Three Months Ended March 31, 2022								Three Months Ended March 31, 2021
		Number of shares				Weighted average exercise price per share				Number of shares				Weighted average exercise price per share
Outstanding, beginning of period			901,651			$	56.44				845,020			$	55.31
Granted			7,000				71.43				-				-
Exercised			(11,592	)			56.63				(28,337	)			47.03
Forfeited			(12,568	)			86.20				(8,064	)			60.72
Expired			(1,237	)			62.51				-				-
Outstanding, end of period			883,254				64.37				808,619				55.55
Options exercisable, end of period			405,846			$	56.40				378,258			$	49.35

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

		Options outstanding																Options exercisable
Exercise price		Number outstanding				Weighted average exercise price per share				Weighted average remaining contractual life (years)				Aggregate intrinsic value				Number exercisable				Weighted average exercise price per share				Weighted average remaining contractual life (years)				Aggregate intrinsic value
$19.95 - $19.95			7,000			$	19.95				0.9			$	338				7,000			$	19.95				0.9			$	338
$21.10 - $21.10			20,892				21.10				0.8				986				20,892				21.10				0.8				986
$46.90 - $48.00			11,000				47.35				3.6				231				6,000				47.17				2.5				127
$51.82 - $59.98			219,671				55.59				2.4				2,793				209,396				55.60				2.2				2,660
$60.01 - $68.41			335,716				62.03				4.3				2,108				149,858				63.13				4.0				777
$70.13 - $79.51			272,475				78.47				6.0				-				12,700				72.61				5.7				-
$80.61 - $82.07			16,500				81.27				6.5				-				-				-				-				-
			883,254			$	64.37				4.3			$	6,456				405,846			$	56.40				2.9			$	4,888

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- References

No definition available.

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