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The following table summarizes additional stock option information as of December 31, 2021: (Details) | 12 Months Ended
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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

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- 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 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 (c)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition 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. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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