XML 34 R23.htm IDEA: XBRL DOCUMENT v3.22.2
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2022
Stockholders' Equity  
Schedule of warrants outstanding and exercisable for purchase of common stock

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Number of Shares

​

​

​

​

​

​

​

June 30, 

​

December 31,

​

Weighted-Average

​

​

​

Description

​

2022

​

2021

​

Exercise Price

​

Expiration Date

 

​

​

​

​

​

​

​

​

​

​

​

Equity-classified Warrants

​

​

​

​

​

​

​

​

​

​

May 2013 warrants

 

15,437

​

15,437

​

​

$ 0.08

​

None

​

September 2013 warrants

 

4,096

​

4,096

​

​

$ 0.08

​

None

​

February 2014 warrants

 

2,171

​

2,171

​

​

$ 0.08

​

None

​

April 2020 Private Placement first closing warrants

​

3,039,514

​

3,039,514

​

​

$ 2.28

​

Apr 2023

​

April 2020 Private Placement second closing warrants

​

1,373,626

​

1,373,626

​

​

$ 2.71

​

Dec 2023

​

April 2020 Private Placement second closing warrants

​

1,143,428

​

1,143,428

​

​

$ 0.01

​

None

​

July 2020 Private Placement first closing warrants

​

389,731

​

389,731

​

​

$ 0.01

​

None

​

July 2020 Private Placement first closing warrants

​

2,764,227

​

2,764,227

​

​

$ 2.58

​

Jul 2023

​

​

​

8,732,230

​

8,732,230

​

​

​

​

​

​

Total outstanding

 

8,732,230

​

8,732,230

​

​

​

​

​

​