WARRANTS

3 Months Ended

Mar. 31, 2023

WARRANTS

WARRANTS

11.     WARRANTS

The following table presents information about warrants to purchase common stock issued and outstanding as of March 31, 2023:

			Number of	Exercise Price as of
Year Issued	Defined Name	Classification	Warrants	March 31, 2023		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	72,738	$	68.75	3/10/2025
2020	Amended March 2020 Series A Warrants	Equity	29,091	$	5.05	4/11/2028
2020	March 2020 Placement Agent Warrants	Equity	6,620	$	85.9400	3/5/2025
2020	March 2020 Series B Warrants	Equity	510	$	0.00025	Until Fully Exercised
2020	April 2020 Series C Warrants	Equity	48,163	$	40.50	10/17/2025
2020	Amended April 2020 Series C Warrants	Equity	19,048	$	5.05	4/11/2028
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	293,174	$	20.00	10/27/2025
2020	Amended October 2020 Series A Warrants	Equity	32,000	$	5.05	4/11/2028
2022	October 2022 Preferred Investment Options	Equity	1,714,286	$	5.05	4/11/2028
2022	October 2022 Placement Agent Warrants	Equity	111,429	$	6.56	10/7/2027
Total			2,388,877
Weighted average exercise price				$	10.96
Weighted average life in years						4.44