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

9 Months Ended

Sep. 30, 2019

Notes Tables

Other Current Liabilities [Table Text Block]

	September 30, 2019		December 31, 2018
Accrued payroll and payroll related expenses		392,907		409,889
Accrued professional fees		47,857		69,231
Accrued clinical studies expenses		85,962		34,000
Other accrued expenses		78,311		92,106
Total	$	605,037	$	605,226