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Other current assets (Tables)
6 Months Ended
Jun. 30, 2020
Other current assets  
Schedule of Other current assets

June 30, 

December 31, 

    

2020

    

2019

Advances against auction contracts

$

7,669

$

12,925

Assets held for sale

 

 

15,051

Prepaid expenses and deposits

 

19,817

 

22,184

$

27,486

$

50,160

Summary of Assets held for sale

Assets held for sale

Balance, December 31, 2019

    

 

15,051

Reclassified from (to) property, plant and equipment

 

(6,888)

Disposal

 

(8,163)

Balance, June 30, 2020

$