XML 51 R29.htm IDEA: XBRL DOCUMENT v3.22.0.1
Stockholders Equity (Tables)
12 Months Ended
Dec. 31, 2021
Stockholders Equity  
Summary of Warrant Information

At December 31, 2021, outstanding warrants to purchase shares of common stock are as follows:

Shares Underlying Outstanding Warrants

    

Exercise Price

    

Expiration Date

597,881

$

21.00

May 10, 2022

1,183,491

$

5.60

October 16, 2023

993,139

$

2.87

February 11, 2025

7,717,661

$

2.87

March 27, 2025

1,867,912

$

3.25

January 26, 2026

4,285,935

$

3.25

March 16, 2026

1,200

$

1,680.00

None

16,647,219