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The following table summarizes additional stock option information as of December 31, 2021: (Details)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Options outstanding	524,900
Options outstanding weighted average remaining contractual life	2 years 9 months
Options exercisable	315,390
Exercise Price Range One [Member]
Options outstanding	81,190
Options exercisable	81,190
Exercise Price Range Two [Member]
Options outstanding	123,130
Options outstanding weighted average remaining contractual life	1 year 11 months 8 days
Options exercisable	90,790
Exercise Price Range Three [Member]
Options outstanding	164,940
Options outstanding weighted average remaining contractual life	3 years 11 days
Options exercisable	84,790
Exercise Price Range Four [Member]
Exercise price range (in Dollars per share) | $ / shares	$ 73.09
Options outstanding	155,640
Options outstanding weighted average remaining contractual life	4 years
Options exercisable	58,620
Minimum [Member] | Exercise Price Range One [Member]
Exercise price range (in Dollars per share) | $ / shares	$ 32.83
Minimum [Member] | Exercise Price Range Two [Member]
Exercise price range (in Dollars per share) | $ / shares	40.15
Minimum [Member] | Exercise Price Range Three [Member]
Exercise price range (in Dollars per share) | $ / shares	65.18
Maximum [Member] | Exercise Price Range One [Member]
Exercise price range (in Dollars per share) | $ / shares	$ 33.95
Options outstanding weighted average remaining contractual life	11 months 12 days
Maximum [Member] | Exercise Price Range Three [Member]
Exercise price range (in Dollars per share) | $ / shares	$ 46.90
Maximum [Member] | Exercise Price Range Four [Member]
Exercise price range (in Dollars per share) | $ / shares	$ 69.11

X

- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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