Note 7 - Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Payroll and related costs	$ 58,182	$ 25,319
Professional and consulting fees	26,070	0
Royalties	47,803	47,803
Accrued cost of revenues	212,020	170,928
Sales tax	31,902	31,902
Other	410	302
Total	$ 376,387	$ 276,254