Inventory (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Inventory [Line Items]
Total inventory	$ 6,777,919	$ 6,046,514
Less current portion	2,232,721	1,583,553
Inventory (non-current)	4,545,198	4,462,961
Water stock [Member]
Inventory [Line Items]
Total inventory	36,837	28,332
Consumables stock [Member]
Inventory [Line Items]
Total inventory	106,925	103,442
Spare parts stock [Member]
Inventory [Line Items]
Total inventory	$ 6,634,157	$ 5,914,740

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

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