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Note 11 - Equity - Schedule of Option Activity (Details) - USD ($) |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 08, 2023 | Sep. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Outstanding Options (in shares) |  | 134,333 | 51,558 |
Outstanding Options, exercise price (in dollars per share) |  | $ 20.77 | $ 45.19 |
Outstanding Options, weighted average contractual term (Year) |  | 3 years 5 months 4 days | 6 years 2 months 4 days | 6 years 10 months 24 days
Outstanding Options, intrinsic value |  | $ 0 | $ 0 | $ 0
Options granted (in shares) | 327,421 | 335,728 | 82,775 |
Options granted, exercise price (in dollars per share) |  | $ 5.18 | $ 5.58 |
Outstanding Options (in shares) |  | 583,583 | 134,333 | 51,558
Outstanding Options, exercise price (in dollars per share) |  | $ 23.77 | $ 20.77 | $ 45.19
Non-Vested Options, number (in shares) |  | 90,988 | 33,889 |
Non-Vested Options, weighted average grant date fair value (in dollars per share) |  | $ 4.77 | $ 21.15 |
Options granted, weighted average grant date fair value (in dollars per share) |  | $ 4.77 | $ 0 |
Options vested, number (in shares) | (37,709) | (185,704) | (25,676) |
Options vested, weighted average grant date fair value (in dollars per share) |  | $ 4.94 | $ 11.06 |
Non-Vested Options, number (in shares) |  | 241,012 | 90,988 | 33,889
Non-Vested Options, weighted average grant date fair value (in dollars per share) |  | $ 4.63 | $ 4.77 | $ 21.15
Previously Reported [Member] |  |  |  |
Outstanding Options (in shares) |  | 134,333 |  |
Outstanding Options, exercise price (in dollars per share) |  | $ 20.77 |  |
Outstanding Options (in shares) |  |  | 134,333 |
Outstanding Options, exercise price (in dollars per share) |  |  | $ 20.77 |
Non-Vested Options, number (in shares) |  | 90,988 |  |
Non-Vested Options, weighted average grant date fair value (in dollars per share) |  | $ 4.77 |  |
Non-Vested Options, number (in shares) |  |  | 90,988 |
Non-Vested Options, weighted average grant date fair value (in dollars per share) |  |  | $ 4.77 |

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- Definition Gross number of share options (or share units) granted during the period. + 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)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + 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 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 Weighted average price at which grantees can acquire the shares reserved for issuance under the stock 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)(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 Weighted average per share amount at which grantees can acquire shares of common stock by exercise of 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)(iv)(01) -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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