Note 8 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	2022		2021
Payroll and related costs	$	195,803	$	58,182
Professional and consulting fees		3,685		26,070
Royalties		40,075		47,803
Accrued cost of revenues		168,657		212,020
Sales tax		22,228		31,902
Other		410		410
Total	$	430,858	$	376,387