Note 4 - Accrued Expenses and Other Current Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Other Current Liabilities [Table Text Block]

	June 30, 2020		December 31, 2019
Accrued payroll and payroll related expenses		252,194		182,708
Accrued professional fees		—		48,338
Accrued clinical studies expenses		52,705		57,378
Other accrued expenses		12,176		70,108
Total	$	317,075	$	358,532