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Long Term Debt (Details Narrative) - USD ($) | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2018 | Jan. 31, 2018 | Mar. 31, 2016 | Sep. 30, 2014 | Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Long term debt |  |  |  |  | $ 4,146,481 |  | $ 4,351,743 | $ 352,089 |
Harris Bank [Member] |  |  |  |  |  |  |  |  |
Long term debt |  |  |  |  | 100,597 |  | 150,895 |  |
Midland States Bank [Member] |  |  |  |  |  |  |  |  |
Long term debt |  |  |  |  | 171,556 |  | 177,794 |  |
Ford Motor Credit Company [Member] |  |  |  |  |  |  |  |  |
Long term debt |  |  |  |  | $ 18,376 |  | $ 20,673 |  |
NanoChem Solutions Inc [Member] | Harris Bank [Member] |  |  |  |  |  |  |  |  |
Promissory note | $ 4,100,000 |  |  | $ 1,005,967 |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  | 6.00% |  | 5.75% |  |
Debt instrument, term | 7 years |  |  | 5 years |  |  |  |  |
Long term debt |  |  |  |  | $ 100,597 |  | $ 150,895 |  |
Interest expense |  |  |  |  | $ 2,009 | $ 4,186 |  |  |
Debt maturity description | Due May 31, 2019 and 2020 |  |  | The final payment will be made in September 2019. |  |  |  |  |
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] |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  | 5.50% |  | 5.50% |  |
Interest expense |  |  |  |  | $ 54,958 |  |  |  |
Debt balance owing |  |  |  |  | 3,855,952 |  | $ 4,002,381 |  |
ENP Peru Investments LLC [Member] |  |  |  |  |  |  |  |  |
Ownership interest percenatge of EnP | 65.00% |  |  |  |  |  |  |  | 50.00%
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 |  |  |  |  | 2,333 |  |  |  |
Debt balance owing |  |  |  |  | 171,556 |  | 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 |  |  |  |  | $ 18,376 |  | $ 20,673 |  |

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- Definition Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(c)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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