Note 3 - Balance Sheet Components - Schedule of Accrued Expenses (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Accrued technology license fees	$ 2,000,000	$ 2,000,000
Payroll-related liabilities	123,922	550,810
Other accrued expenses	1,090,459	449,402
Total accrued expenses	$ 3,214,381	$ 3,000,212