8. Long-Term Debt (Tables)

12 Months Ended

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