Property, plant and equipment -Depreciation (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Property, Plant and Equipment [Abstract] | ||
| Depreciation and amortization | $ 702,113 | $ 847,622 |
| Non-cash impairment | $ 524,972 | |
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- Definition Depreciation, Depletion and Amortization, Property, Plant and Equipment No definition available.
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| X | ||||||||||
- Definition Noncash Asset Impairment No definition available.
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- References No definition available.
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