XML 54 R41.htm IDEA: XBRL DOCUMENT v3.22.1
Inventory (Details) - Schedule of inventory - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Schedule of inventory [Abstract]    
Finished goods $ 96,725 $ 100,967
Work-in-process 22,038
Raw materials 84,620 61,718
Allowance for inventory valuation and obsolescence loss (155,370) (184,723)
Inventory, net $ 25,975