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Inventory (Details) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Inventory [Line Items] |  |
Total inventory | $ 7,721,020 | $ 7,691,933
Less current portion | 3,214,178 | 3,287,555
Inventory (non-current) | 4,506,842 | 4,404,378
Water stock [Member] |  |
Inventory [Line Items] |  |
Total inventory | 27,938 | 33,694
Consumables stock [Member] |  |
Inventory [Line Items] |  |
Total inventory | 105,540 | 118,286
Spare parts stock [Member] |  |
Inventory [Line Items] |  |
Total inventory | $ 7,587,542 | $ 7,539,953

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