Stockholders Equity

3 Months Ended

Mar. 31, 2022

Stockholders' Equity

Stockholders' Equity

6. Stockholders’ Equity

Warrants

The following warrants were outstanding as of March 31, 2022 and December 31, 2021:

	Number of Warrants:
Warrant Issuance	March 31, 2022	December 31, 2021	Exercise Price		Expiration Date
March 2017	-	39,115	$	260.00	March 2022
July 2018	1,440	1,440	$	186.75	July 2028
April 2020	37,500	37,500	$	12.50	April 2025
January 2021	2,500,000	2,500,000	$	6.03	July 2026
October 2021	4,307,693	4,307,693	$	3.75	April 2025
Total	6,846,633	6,885,748