Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation Expense for Options Granted Reflected in the Consolidate Statement of Operations and Comprehensive Loss

Stock-based compensation expense for options granted is reflected in the condensed consolidated statements of operations and comprehensive loss as follows:

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
General and administrative	$	100,903	$	48,226	$	248,942	$	298,621
Research and development	25,387		144,779		249,070		421,393
Total	$	126,290	$	193,005	$	498,012	$	720,014

Schedule of Stock Option Activity

The following table summarizes the stock option activity under the Plans:

	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Options outstanding at December 31, 2019	731,189	$	4.59	8.0	$	24,028
Granted	4,064,950	$	0.41
Forfeited	(527,862)	$	1.96
Options outstanding at September 30, 2020	4,268,277	$	0.94	9.1	$	7,072
Options exercisable at September 30, 2020	450,405	$	4.34	6.6	$	450