Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.21.2
Inventory (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Inventory    
Raw materials $ 161,005 $ 169,803
Spare parts 23,434 23,432
Finished goods 359,304 366,892
Inventory $ 543,743 $ 560,127