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Note 7 - Accrued Expenses and Other Liabilities - Current - Accrued Expenses and Other Liabilities (Details) - USD ($) | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Accrued payroll costs | $ 1,068,187 | $ 1,501,110
Accrued incentive compensation | 0 | 263,750
Accrued vendor liabilities | 460,281 | 753,221
Payable to research and development company - current | 1,284,022 |
Payable to Flux Photon - current (see Note 14) | 3,283,958 | 2,269,912
Other accrued expenses | 36,348 | 39,961
Total accrued expenses | 3,726,467 | 4,848,299
Research and Development Company [Member] |  |
Payable to research and development company - current | 1,284,022 | 1,146,845
Flux Photon Corporation (“FPC”) [Member] |  |
Payable to Flux Photon - current (see Note 14) | $ 877,629 | $ 1,143,412

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