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Commitments and Contingencies
 9 Months Ended
Sep. 30, 2021
Commitments and Contingencies  
6. Commitments and Contingencies

6.

Commitments and Contingencies

 

 

 

The Company pays various royalties on the sale of zeolite products. On a combined basis, royalties vary from 8%-13%. During the three and nine month periods ended September 30, 2021, the Company had royalty expense of $64,212 and $195,779, respectively. During the three and nine month periods ended September 30, 2020, the Company had royalty expense of $52,569 and $178,187, respectively. At September 30, 2021 and December 31, 2020, the Company had accrued royalties payable of $376,704 and $434,981, respectively, which is included in accrued liablities. The Company is currently in negotiations with certain royalty holders to modify the terms of the agreements.