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5. PROPERTY, PLANT AND EQUIPMENT UNDER CAPITAL LEASES, NET (Details Narrative) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Property Plant And Equipment Under Capital Leases Net Details Narrative Abstract |  |  |  |
Depreciation and amortization expense | $ 64,874 | $ 77,527 | $ 203,271 | $ 227,998

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