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Note 3 - Balance Sheet Components - Schedule of Accrued Expenses (Details) - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Accrued technology license fees – current portion $ 3,000,000 $ 3,000,000
Accrued compensation 4,583 269,000
Other accrued expenses 125,970 108,826
Total accrued expenses $ 3,130,553 $ 3,377,826