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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