WARRANTS

6 Months Ended

Jun. 30, 2022

WARRANTS

WARRANTS

11.     WARRANTS

The following table presents information about warrants to purchase common stock issued and outstanding as of June 30, 2022:

			Number of	Exercise Price as of
Year Issued	Defined Name	Classification	Warrants	June 30, 2022		Date of Expiration
2018	2018 Series A Warrants	Equity	8,483	$	174.53	6/25/2023
2019	2019 Placement Agent Warrants	Equity	610	$	112.50	11/21/2024
2020	March 2020 Series A Warrants	Equity	101,829	$	68.75	3/10/2025
2020	March 2020 Placement Agent Warrants	Equity	6,620	$	85.94	3/5/2025
2020	March 2020 Series B Warrants	Equity	510	$	0.00025	Until Fully Exercised
2020	April 2020 Series C Warrants	Equity	67,211	$	40.50	10/17/2025
2020	April 2020 Placement Agent Warrants	Equity	4,461	$	54.6900	4/15/2025
2020	October 2020 Placement Agent Warrants	Equity	48,264	$	25.00	10/22/2025
2020	October 2020 Series A Warrants	Equity	325,174	$	20.00	10/27/2025
Total			563,162
Weighted average exercise price				$	35.15
Weighted average life in years						3.16