Note 7 - Accrued Expenses - Accrued Expenses (Details) - USD ($)	Apr. 01, 2023	Dec. 31, 2022
Accrued legal and accounting	$ 32,500	$ 35,398
Accrued payroll and related expenses	576,532	760,305
Accrued other	122,422	25,153
Total Accrued Expenses	$ 731,454	$ 820,856