Note 5 - Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Other Current Liabilities [Table Text Block]

	December 31,
	2020		2019
Accrued payroll and payroll related expenses	$	653,899	$	182,708
Accrued professional fees		31,809		48,338
Accrued clinical studies expenses		1,055,398		57,378
Other		35,364		70,108
Total	$	1,776,470	$	358,532