9. Share-Based Expense (Tables)

9 Months Ended

Sep. 30, 2019

Share-based compensation expense is classified in the condensed consolidated statements of operations as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Research and development expenses	$	38,843	$	9,155	$	81,921	$	178,926
General and administrative expenses		208,594		314,323		648,610		996,355
	$	247,437	$	323,478	$	730,531	$	1,175,281