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Long Term Debt (Details Narrative) - USD ($) | 1 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 31, 2018 | Jan. 31, 2018 | Mar. 31, 2016 | Sep. 30, 2014 | Jun. 30, 2019 | Jun. 30, 2018 | Apr. 30, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Long term debt |  |  |  |  | $ 4,373,870 |  |  | $ 4,351,743 | $ 352,089 |
Harris Bank [Member] |  |  |  |  |  |  |  |  |  |
Long term debt |  |  |  |  | 50,299 |  |  | 150,895 |  |
Midland States Bank [Member] |  |  |  |  |  |  |  |  |  |
Long term debt |  |  |  |  | 165,159 |  |  | 177,794 |  |
Ford Motor Credit Company [Member] |  |  |  |  |  |  |  |  |  |
Long term debt |  |  |  |  | $ 16,079 |  |  | $ 20,673 |  |
NanoChem Solutions Inc. [Member] | Harris Bank [Member] |  |  |  |  |  |  |  |  |  |
Promissory note |  |  |  | $ 1,005,967 |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  | 6.00% |  |  | 5.75% |  |
Debt instrument, term |  |  |  | 5 years |  |  |  |  |  |
Long term debt |  |  |  |  | $ 50,299 |  |  | $ 150,895 |  |
Interest expense |  |  |  |  | $ 3,294 | $ 4,186 |  |  |  |
Debt maturity description |  |  |  | The final payment will be made in September 2019. |  |  |  |  |  |
NanoChem Solutions Inc. [Member] | Harris Bank [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |
Promissory note | $ 4,100,000 |  |  |  |  |  |  |  |  |
Debt instrument, term | 7 years |  |  |  |  |  |  |  |  |
Debt maturity description | Due May 31, 2019 and 2020 |  |  |  |  |  |  |  |  |
Payment of monthly installments interest rate | 25.00% |  |  |  |  |  |  |  |  |
Payment of monthly installment | $ 300,000 |  |  |  |  |  |  |  |  |
NanoChem Solutions Inc. [Member] | Harris Bank [Member] | Prime Rate [Member] |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  | 0.50% |  |  |  |  |  |
NanoChem Solutions Inc. [Member] | Harris Bank [Member] |  |  |  |  |  |  |  |  |  |
Promissory note |  |  |  |  |  |  | $ 1,100,000 |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  | 6.00% |  | 0.50% |  |  |
Interest expense |  |  |  |  | $ 6,840 |  |  |  |  |
Debt maturity description |  |  |  |  | The Company pays interest monthly until February 2020, when equal monthly installments of the principal and interest are due until January 2024. |  |  |  |  |
Initial draw amount |  |  |  |  |  |  | $ 684,000 |  |  |
NanoChem Solutions Inc. [Member] | Harris Bank [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  | 5.50% |  |  | 5.50% |  |
Interest expense |  |  |  |  | $ 106,911 |  |  |  |  |
Debt balance owing |  |  |  |  | 3,458,333 |  |  | $ 4,002,381 |  |
ENP Peru Investments LLC [Member] |  |  |  |  |  |  |  |  |  |
Ownership interest percenatge of EnP |  |  |  |  |  |  |  |  |  | 50.00%
ENP Peru Investments LLC [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |
Ownership interest percenatge of EnP | 65.00% |  |  |  |  |  |  |  |  |
ENP Peru Investments LLC [Member] | Midland States Bank [Member] |  |  |  |  |  |  |  |  |  |
Promissory note |  | $ 200,000 |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  | 5.25% |  |  |  |  |  |  |  |
Debt instrument, term |  | 7 years |  |  |  |  |  |  |  |
Interest expense |  |  |  |  | 4,508 | $ 9,224 |  |  |  |
Debt balance owing |  |  |  |  | 165,159 |  |  | 177,794 |  |
ENP Peru Investments LLC [Member] | Ford Motor Credit Company [Member] |  |  |  |  |  |  |  |  |  |
Promissory note |  |  | $ 45,941 |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  | 0.00% |  |  |  |  |  |  |
Debt instrument, term |  |  | 5 years |  |  |  |  |  |  |
Debt balance owing |  |  |  |  | $ 16,079 |  |  | $ 20,673 |  |

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