Note 6 - Accounts Payable and Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	September, 2021		December 31, 2020
Accounts payable	$	3,188,759	$	1,134,893
Accrued warrant liability		945,736		-
Accrued payroll		135,075		217,319
Accrued interest and fees		921,527		647,393
Accrued legal settlement fee		275,000		-
Other accrued expenses		462,708		688,242
	$	5,928,805	$	2,687,847