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Stock-based Compensation (Tables)
 6 Months Ended
Jun. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock Option Activity

 

          A summary of activity for the six months ended June 30, 2021 is as follows:

 

 

 

Options

 

 

Weighted

Average

Exercise Price

 

Aggregate

Intrinsic Value (in $,000)

 

Outstanding as of December 31, 2020

 

 

531,336

 

 

$

10.01

 

 

 

 

Granted

 

 

560,227

 

 

$

2.70

 

 

 

 

Cancelled/forfeited

 

 

(673

)

 

$

1,619.00

 

 

 

 

Outstanding as of June 30, 2021

 

 

1,090,890

 

 

$

5.26

 

$

343

 

Vested as of June 30, 2021

 

 

221,635

 

 

$

16.00

 

$

89

 

Vested and expected to be vested as of June 30, 2021

 

 

998,345

 

 

$

5.47

 

$

317