16. Commitments and Contingencies	12 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	In June of 2013, the Company entered into a lease to mine antimony ore from concessions located in the Wadley Mining district in Mexico. The lease calls for a mandatory term of one year and requires payments of $10,000 plus IVA tax of $1,600 per month. The lease is renewable each year with a 15 day notice to the lessor, and agreement of terms. The lease was renewed in June 2019 with the same terms through June 2020. From time to time, the Company is assessed fines and penalties by the Mine Safety and Health Administration (“MSHA”). Using appropriate regulatory channels, management may contest these proposed assessments. At December 31, 2019 and 2018, the Company had accrued liabilities of $624 and $0, respectively, relating to such assessments. The Company pays various royalties on the sale of zeolite products. On a combined basis, royalties vary from 8%-13%. During the year ended December 31, 2019 and 2018, the Company had royalty expense of $266,388 and $272,821, respectively. At December 31, 2019 and 2018, the Company had accrued royalties payable of $280,314 and $201,083, respectively.

16. Commitments and Contingencies

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

In June of 2013, the Company entered into a lease to mine antimony ore from concessions located in the Wadley Mining district in Mexico. The lease calls for a mandatory term of one year and requires payments of $10,000 plus IVA tax of $1,600 per month. The lease is renewable each year with a 15 day notice to the lessor, and agreement of terms. The lease was renewed in June 2019 with the same terms through June 2020.

From time to time, the Company is assessed fines and penalties by the Mine Safety and Health Administration (“MSHA”). Using appropriate regulatory channels, management may contest these proposed assessments. At December 31, 2019 and 2018, the Company had accrued liabilities of $624 and $0, respectively, relating to such assessments.

The Company pays various royalties on the sale of zeolite products. On a combined basis, royalties vary from 8%-13%. During the year ended December 31, 2019 and 2018, the Company had royalty expense of $266,388 and $272,821, respectively. At December 31, 2019 and 2018, the Company had accrued royalties payable of $280,314 and $201,083, respectively.