Note 3 - Balance Sheet Components - Schedule of Accrued Expenses (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Accrued technology license fees – current portion	$ 3,000,000	$ 3,000,000
Accrued compensation	0	269,000
Other accrued expenses	709,984	108,826
Total accrued expenses	$ 3,709,984	$ 3,377,826