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Revaluation (gains) and losses
 12 Months Ended
Dec. 31, 2020
Revaluation Gains And Losses [Abstract]  
18. Revaluation (gains) and losses

18.

Revaluation (gains) and losses

 

 

 

2020

 

 

2019

 

Unrealized exchange (gain) loss

 

 

155

 

 

 

(296

)

Change in fair value due to revaluation of derivative liability

 

 

8

 

 

 

570

 

Realized gain on investment portfolio

 

 

—

 

 

 

(294

)

Unrealized loss (gain) on investment portfolio, net

 

 

2,249

 

 

 

(100

)

Realized gain on other-receivable

 

 

(258

)

 

 

—

 

Losses related to property and equipment

 

 

272

 

 

 

102

 

 

 

 

2,426

 

 

 

(18

)