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Other current assets (Tables)
9 Months Ended
Sep. 30, 2021
Other current assets  
Schedule of Other current assets

September 30, 

December 31, 

    

2021

    

2020

Advances against auction contracts

$

3,107

$

6,487

Assets held for sale

 

7,067

 

Prepaid expenses and deposits

 

21,622

 

20,787

$

31,796

$

27,274

Summary of Assets held for sale

Balance, December 31, 2020

    

$

Reclassified from property, plant and equipment

 

7,308

Disposal

 

(241)

Balance, September 30, 2021

$

7,067