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Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2022
Stockholders' Equity Note [Abstract]  
Summary of Stock Option Activity

Weighted

Average

Weighted

Remaining

Average

Contractual

Aggregate

Number of

Exercise

Life

Intrinsic

    

Options

    

Price

    

(in Years)

    

Value

Outstanding at January 1, 2022

 

5,630,970

$

2.25

 

5.46

$

Granted

 

 

 

  

 

  

Canceled

 

 

 

  

 

  

Exercised

 

 

 

  

 

  

Expired/Forfeited

 

(364,310)

 

3.61

 

  

 

  

Outstanding at March 31, 2022, and expected to vest

 

5,266,660

$

2.16

 

5.52

$

Exercisable at March 31, 2022

 

1,495,826

$

3.32

 

1.93

$

Summary of Stock Option Activity for Non-Vested Options

    

    

Weighted

 Average 

Number of

Grant Date 

    

Options

    

Fair Value

Balance at January 1, 2022

 

3,873,334

$

0.07

Granted

 

 

Vested

 

(102,500)

1.24

Forfeited or Canceled

 

 

Balance at March 31, 2022

 

3,770,834

$

0.03

Summary of Warrant Activity

Weighted

Average

Weighted

Remaining

 

Average

 

Contractual

Aggregate

Number of

Exercise

 

Life

Intrinsic

    

Warrants

    

Price

    

(in Years)

    

Value

Outstanding and exercisable at January 1, 2022

 

116,065

$

3.15

 

2.57

$

Granted

 

 

 

 

  

Canceled

 

 

 

 

  

Exercised

 

 

 

 

  

Expired/Forfeited

 

 

 

 

  

Outstanding and exercisable at March 31, 2022

 

116,065

$

3.15

 

2.32

$

Summary of Restricted Stock Activity

Weighted

Number of

Average

Restricted

Grant Date

    

Shares

    

Fair Value

Outstanding at January 1, 2022

 

815,833

$

4.00

Granted

 

 

Canceled

 

 

Vested

 

 

Expired/Forfeited

 

 

Outstanding at March 31, 2022

 

815,833

$

4.00