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SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2020
SUPPLEMENTAL CASH FLOW INFORMATION [Abstract] |
Supplemental Cash Flow Information | Non-cash investing and financing activities for the years ended December 31, 2020, 2019 and 2018 are presented below:
|  | 2020 |  |  | 2019 |  |  | 2018 |
Unpaid acquisition of PPE |  |  | 304,531 |  |  |  | 1,812,174 |  |  |  | 644,507 |
Principal payment of financial lease (1) |  |  | 190,969 |  |  |  | 203,173 |  |  |  | 213,551 |
Capitalization of finance costs |  |  | - |  |  |  | 607,452 |  |  |  | - |
(1) Cancelled through compensation with trade receivables with the creditor. See Note 13.

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