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Note 7 - Accrued Expenses and Other Liabilities - Current (Tables) | 3 Months Ended
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Mar. 31, 2026
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | March 31, 2026 |  |  | December 31, 2025 |
Accrued payroll costs |  | $ | 1,068,187 |  |  | $ | 1,501,110 |
Accrued incentive compensation |  |  | — |  |  |  | 263,750 |
Accrued vendor liabilities |  |  | 460,281 |  |  |  | 753,221 |
Payable to research and development company - current |  |  | 1,284,022 |  |  |  | 1,146,845 |
Payable to Flux Photon - current (see Note 14) |  |  | 877,629 |  |  |  | 1,143,412 |
Other accrued expenses |  |  | 36,348 |  |  |  | 39,961 |
Total accrued expenses |  | $ | 3,726,467 |  |  | $ | 4,848,299 |

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