9. Debt

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Debt

Debt at March 31, 2018 and December 31, 2017 is as follows:	March 31,			December 31,
	2018			2017
Note payable to First Security Bank, bearing interest at 6%;
payable in monthly installments of $917; maturing
September 2018; collateralized by equipment.	$	5,408		$	8,054
Note payable to Cat Financial Services, bearing interest at 6%;
payable in monthly installments of $1,300; maturing
August 2019; collateralized by equipment.		23,602			27,096
Note payable to Cat Financial Services, bearing interest at 6%;
payable in monthly installments of $778; maturing
December 2022; collateralized by equipment.		39,145			40,278
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.		10,875			13,344
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.		13,337			15,776
Note payable to Phyllis Rice, bearing interest
at 1%; payable in monthly installments of $2,000; 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 2019, net of discount.		702,469			715,709
Obligation payable for Guadalupe Mine, non-interest bearing,
annual payments from $60,000 to $149,078 through 2026, net of discount.		949,571			951,711
		1,758,553			1,786,114
Less current portion		(598,658	)		(546,988	)
Long-term portion	$	1,159,895		$	1,239,126

At March 31, 2018, principal payments on debt are due as follows:

Twelve months ending March 31,
2019	$	598,658
2020		283,237
2021		181,043
2022		116,915
2023		122,406
Thereafter		456,294
	$	1,758,553