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

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June 30, 

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December 31, 

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2020

    

2019

Advances against auction contracts

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$

7,669

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$

12,925

Assets held for sale

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15,051

Prepaid expenses and deposits

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19,817

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22,184

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$

27,486

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$

50,160

Summary of Assets held for sale

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Assets held for sale

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Balance, December 31, 2019

    

 

15,051

Reclassified from (to) property, plant and equipment

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(6,888)

Disposal

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(8,163)

Balance, June 30, 2020

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$

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