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5. FINANCE LEASE RIGHT-OF-USE ASSETS (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Leases [Abstract] |
Property, plant and equipment under capital leases |
|  | September 30, 2020 |  | December 31, 2019
At cost: |  |  |  |  |  |  |  |
Buildings |  | $ | 120,837 |  |  | $ | 117,956 |
Plant and machinery |  |  | 2,210,537 |  |  |  | 2,157,848 |
Total |  |  | 2,331,374 |  |  |  | 2,275,804 |
Less: Accumulated depreciation and amortization |  |  | (2,151,545 | ) |  |  | (2,096,278 | )
Net book value |  | $ | 179,829 |  |  | $ | 179,526 |

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