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8. Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2017
Debt Disclosure [Abstract] |
Long - Term Debt |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Note payable to First Security Bank, bearing interest at 6%; |  |  |  |  |  |
payable in monthly installments of $917; maturing |  |  |  |  |  |
September 2018; collateralized by equipment. |  | $ | 8,054 |  |  | $ | 18,245 |
Note payable to Cat Financial Services, bearing interest at 6%; |  |  |  |  |  |  |  |
payable in monthly installments of $1,300; maturing |  |  |  |  |  |  |  |
August 2019; collateralized by equipment. |  |  | 27,096 |  |  |  | 40,556 |
Note payable to Cat Financial Services, bearing interest at 6%; |  |  |  |  |  |  |  |
payable in monthly installments of $778; maturing |  |  |  |  |  |  |  |
December 2022; collateralized by equipment. |  |  | 40,278 |  |  |  | - |
Note payable to Wells Fargo Bank, bearing interest at 4%; |  |  |  |  |  |  |  |
payable in monthly installments of $477; maturing |  |  |  |  |  |  |  |
December 2016; collateralized by equipment. |  |  | - |  |  |  | 473 |
Note payable to De Lage Landen Financial Services, |  |  |  |  |  |  |  |
bearing interest at 3.51%; payable in monthly installments of $655; |  |  |  |  |  |  |  |
maturing September 2019; collateralized by equipment. |  |  | 13,344 |  |  |  | 20,581 |
Note payable to De Lage Landen Financial Services, |  |  |  |  |  |  |  |
bearing interest at 3.51%; payable in monthly installments of $655; |  |  |  |  |  |  |  |
maturing December 2019; collateralized by equipment. |  |  | 15,776 |  |  |  | 22,944 |
Note payable to Phyllis Rice, bearing interest |  |  |  |  |  |  |  |
at 1%; payable in monthly installments of $2,000; originally maturing |  |  |  |  |  |  |
March 2015; collateralized by equipment. |  |  | 14,146 |  |  |  | 14,146 |
Obligation payable for Soyatal Mine, non-interest bearing, |  |  |  |  |  |  |  |
annual payments of $100,000 or $200,000 through 2020, net of discount |  |  |  |  |  |  |
of $49,360 and $84,750, respectively |  |  | 715,709 |  |  |  | 776,319 |
Obligation payable for Guadalupe Mine, non-interest bearing, |  |  |  |  |  |  |  |
annual payments from $60,000 to $149,078 through 2026, net of discount |  |  |  |  |  |  |
of $309,397 and $367,456, respectively |  |  | 951,711 |  |  |  | 970,651 |
|  |  | 1,786,114 |  |  |  | 1,863,915 |
Less current portion |  |  | (546,988 | ) |  |  | (391,046 | )
Long-term portion |  | $ | 1,239,126 |  |  | $ | 1,472,869 |
Principal payments on debt |
Year Ending December 31, |  |  |
2018 |  | $ | 546,988 |
2019 |  |  | 312,150 |
2020 |  |  | 203,712 |
2021 |  |  | 115,253 |
2022 |  |  | 122,178 |
Thereafter |  |  | 485,833 |
|  | $ | 1,786,114 |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21521-112644 + Details
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