WARRANTS

6 Months Ended

Jun. 30, 2021

WARRANTS

WARRANTS

12.     WARRANTS

The following table presents information about warrants to purchase common stock issued and outstanding as of June 30, 2021:

			Number of	Exercise Price as of
Year Issued	Defined Name	Classification	Warrants	June 30, 2021		Date of Expiration
2018	2018 Series A Warrants	Equity	211,921	$	6.98	6/25/2023
2019	2019 Placement Agent Warrants	Equity	15,168	$	4.50	11/21/2024
2020	March 2020 Series A Warrants	Equity	2,545,455	$	2.75	3/10/2025
2020	March 2020 Placement Agent Warrants	Equity	165,455	$	3.4375	3/5/2025
2020	March 2020 Series B Warrants	Equity	12,728	$	0.00001	Until Fully Exercised
2020	April 2020 Series C Warrants	Equity	1,680,240	$	1.62	10/17/2025
2020	April 2020 Placement Agent Warrants	Equity	111,491	$	2.1875	4/15/2025
2020	October 2020 Placement Agent Warrants	Equity	1,206,562	$	1.00	10/22/2025
2020	October 2020 Series A Warrants	Equity	8,129,318	$	0.80	10/27/2025
Total			14,078,338
Weighted average exercise price				$	1.41
Weighted average life in years						4.16