Note 7 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	2021		2020
Payroll and related costs	$	58,182	$	25,319
Professional and consulting fees		26,070		-
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