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8. Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2019
Debt Disclosure [Abstract]  
Long-Term Debt
  December 31,     December 31,  
    2019     2018  
Note payable to Zeo Inc., non interest bearing,            
payable in 11 quarterly installments of $8,300, starting the first quarter of 2020,            
 with a final payment of $8,700; maturing December 2022; uncollateralized.   $ 100,000     $ 100,000  
Note payable to Cat Financial Services, bearing interest at 6%;                
payable in monthly installments of $1,300; maturing                
August 2019; collateralized by equipment.     -       14,022  
Note payable to Cat Financial Services, bearing interest at 6%;                
payable in monthly installments of $778; maturing                
December 2022; collateralized by equipment.     26,250       34,390  
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.     -       5,851  
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.     700       8,371  
Note payable to Phyllis Rice, bearing interest                
at 1%; payable in monthly installments of $2,000; originally maturing                
March 2015; collateralized by equipment.     6,146       12,146  
Obligation payable for Soyatal Mine, non-interest bearing,                
 annual payments of $100,000 or $200,000 through 2019, net of discount.     -       639,747  
Obligation payable for Guadalupe Mine, non-interest bearing,                
 annual payments from $60,000 to $149,078 through 2026, net of discount.     -       918,663  
      133,096       1,733,190  
Less current portion     (56,334 )     (705,460 )
Long-term portion   $ 76,762     $ 1,027,730  
Principal Payments on Debt
12 Months Ending December 31,   Principal Payment  
2020   $ 56,334  
2021     41,187  
2022     33,915  
2023     1,660  
    $ 133,096