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Commitments and Contingencies
 12 Months Ended
Dec. 31, 2021
Commitments and Contingencies  
Commitments and Contingencies

13. Commitments and Contingencies

 

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, 2021 and 2020, the Company had accrued liabilities of $Nil and $246, 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, 2021 and 2020, the Company had royalty expense of $262,861 and $224,875, respectively. At December 31, 2021 and 2020, the Company had accrued royalties payable of $346,242 and $434,981, respectively. The Company is currently in negotiations with certain royalty holders to modify the terms of the agreements.