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Note M - Stock-based Compensation - Information Regarding Currently Outstanding and Exercisable Options (Details) | 12 Months Ended
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Dec. 31, 2024 $ / shares shares
Options outstanding, number of shares (in shares) | 5,951,400
Exercisable, number of options (in shares) | 2,399,305
Exercise Price Range One [Member] |
Lower range (in dollars per share) | $ / shares | $ 2.848
Options outstanding, number of shares (in shares) | 5,841,257
Upper range (in dollars per share) | $ / shares | $ 10
Outstanding, weighted average remaining contractual term (Year) | 6 years 10 months 28 days
Exercisable, number of options (in shares) | 2,289,162
Exercisable, weighted average remaining contractual term (Year) | 4 years 8 months 8 days
Exercise Price Range Two [Member] |
Lower range (in dollars per share) | $ / shares | $ 10.01
Options outstanding, number of shares (in shares) | 1,875
Upper range (in dollars per share) | $ / shares | $ 30
Outstanding, weighted average remaining contractual term (Year) | 4 years 3 months 21 days
Exercisable, number of options (in shares) | 1,875
Exercisable, weighted average remaining contractual term (Year) | 4 years 4 months 13 days
Exercise Price Range Three [Member] |
Lower range (in dollars per share) | $ / shares | $ 30.01
Options outstanding, number of shares (in shares) | 39,218
Upper range (in dollars per share) | $ / shares | $ 50
Outstanding, weighted average remaining contractual term (Year) | 2 years 8 months 1 day
Exercisable, number of options (in shares) | 39,218
Exercisable, weighted average remaining contractual term (Year) | 2 years 8 months 15 days
Exercise Price Range Four [Member] |
Lower range (in dollars per share) | $ / shares | $ 50.01
Options outstanding, number of shares (in shares) | 21,958
Upper range (in dollars per share) | $ / shares | $ 70
Outstanding, weighted average remaining contractual term (Year) | 1 year 7 months 6 days
Exercisable, number of options (in shares) | 21,958
Exercisable, weighted average remaining contractual term (Year) | 1 year 7 months 17 days
Exercise Price Range Five [Member] |
Lower range (in dollars per share) | $ / shares | $ 70.01
Options outstanding, number of shares (in shares) | 47,092
Upper range (in dollars per share) | $ / shares | $ 327.2
Outstanding, weighted average remaining contractual term (Year) | 1 year 4 months 9 days
Exercisable, number of options (in shares) | 47,092
Exercisable, weighted average remaining contractual term (Year) | 8 years 4 months 2 days

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, 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 -Topic 718 -SubTopic 10 -Subparagraph (e)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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