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Note 3 - Balance Sheet Components (10-K) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Notes to Financial Statements |  |
Supplemental Balance Sheet Disclosures [Text Block] |
3. | Balance Sheet Components
Prepaid Expenses – Prepaid expenses consist of the following:
|  | 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 and Equipment – Property and equipment consist of the following:
|  | 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 |
Other Assets – Other assets consist of the following:
|  | 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 |
Accrued Expenses – Accrued expenses consist of the following:
|  | 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 |
3. | Balance Sheet Components
Prepaid Expenses – Prepaid expenses consist of the following as of December 31, 2023 and 2022:
|  | 2023 |  |  | 2022 |
Prepaid clinical trial costs (current portion) |  | $ | 1,282,746 |  |  | $ | 1,171,077 |
Prepaid insurance premiums |  |  | 110,695 |  |  |  | 107,876 |
Prepaid rent |  |  | 13,045 |  |  |  | 13,045 |
Other prepaid expenses |  |  | 26,667 |  |  |  | 34,000 |
Total prepaid expenses |  | $ | 1,433,153 |  |  | $ | 1,325,998 |
Property and Equipment – Property and equipment consist of the following as of December 31, 2023 and 2022:
|  | 2023 |  |  | 2022 |
Equipment and furnishings |  | $ | 774,758 |  |  | $ | 725,812 |
Leasehold improvements |  |  | 115,605 |  |  |  | 115,605 |
Total property and equipment |  |  | 890,363 |  |  |  | 841,417 |
Accumulated depreciation and amortization |  |  | (680,674 | ) |  |  | (606,505 | )
Total property and equipment, net |  | $ | 209,689 |  |  | $ | 234,912 |
Depreciation expense was $74,169 and $56,284 during the years ended December 31, 2023 and 2022, respectively. Other Assets – Other assets consist of the following as of December 31, 2023 and 2022:
|  | 2023 |  |  | 2022 |
Prepaid clinical trial costs (noncurrent portion) |  | $ | 1,106,778 |  |  | $ | 2,083,276 |
Prepaid technology license fees |  |  | 70,000 |  |  |  | 80,000 |
Deposits |  |  | 11,010 |  |  |  | 11,010 |
Total other assets |  | $ | 1,187,788 |  |  | $ | 2,174,286 |
Accrued Expenses – Accrued expenses consist of the following as of December 31, 2023 and 2022:
|  | 2023 |  |  | 2022 |
Accrued license fees |  | $ | - |  |  | $ | 2,000,000 |
Payroll-related liabilities |  |  | 114,337 |  |  |  | 550,810 |
Other accrued expenses |  |  | 602,594 |  |  |  | 449,402 |
Total accrued expenses |  | $ | 716,931 |  |  | $ | 3,000,212 |

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