9. Share-Based Expense (Tables)

3 Months Ended

Mar. 31, 2021

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

	Three Months Ended March 31,
	2021		2020
Research and development expenses	$	10,710	$	13,358
General and administrative expenses		65,574		152,240
	$	76,284	$	165,598