Stock Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Expense

For the three and nine-month periods ended September 30, 2020 and 2019, the Company recorded stock-based compensation expense as follows:

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Research and development	$	399,247	$	242,867	$	1,238,521	$	803,800
Selling, general and administrative		1,078,599		574,193		3,553,138		1,871,667
Total stock-based compensation	$	1,477,846	$	817,060	$	4,791,659	$	2,675,467