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Note 3 - Balance Sheet Components (Tables) | 6 Months Ended
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Jun. 30, 2024
Notes Tables |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] |
|  | June 30, 2024 |  |  | December 31, 2023 |
Prepaid clinical trial costs (current portion) |  | $ | 1,921,190 |  |  | $ | 1,282,746 |
Prepaid insurance premiums |  |  | 36,899 |  |  |  | 110,695 |
Prepaid rent |  |  | 13,045 |  |  |  | 13,045 |
Other prepaid expenses |  |  | 10,000 |  |  |  | 26,667 |
Total prepaid expenses |  | $ | 1,981,134 |  |  | $ | 1,433,153 |
Property, Plant and Equipment [Table Text Block] |
|  | June 30, 2024 |  |  | December 31, 2023 |
Equipment and furnishings |  | $ | 774,758 |  |  | $ | 774,758 |
Leasehold improvements |  |  | 115,605 |  |  |  | 115,605 |
Total property and equipment |  |  | 890,363 |  |  |  | 890,363 |
Accumulated depreciation and amortization |  |  | (719,826 | ) |  |  | (680,674 | )
Total property and equipment, net |  | $ | 170,537 |  |  | $ | 209,689 |
Schedule of Other Assets [Table Text Block] |
|  | June 30, 2024 |  |  | December 31, 2023 |
Prepaid clinical trial costs (noncurrent portion) |  | $ | - |  |  | $ | 1,106,778 |
Prepaid technology license fees |  |  | 70,000 |  |  |  | 70,000 |
Deposits |  |  | 11,010 |  |  |  | 11,010 |
Total other assets |  | $ | 81,010 |  |  | $ | 1,187,788 |
Schedule of Accrued Liabilities [Table Text Block] |
|  | June 30, 2024 |  |  | December 31, 2023 |
Payroll-related liabilities |  | $ | 168,974 |  |  | $ | 114,337 |
Accrued clinical trial costs |  |  | 351,460 |  |  |  | 490,635 |
Accrued contract manufacturing costs |  |  | 1,687,874 |  |  |  | - |
Other accrued expenses |  |  | 70,000 |  |  |  | 111,959 |
Total accrued expenses |  | $ | 2,278,308 |  |  | $ | 716,931 |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References No definition available. + Details
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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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