Note 3 - Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30, 2023 (unaudited)		December 31, 2022
Payroll and related costs	$	148,271	$	195,803
Professional and consulting		-		3,685
Royalties		40,075		40,075
Accrued cost of revenues		190,064		168,657
Sales tax		22,228		22,228
Other		410		410
Total	$	401,048	$	430,858