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Inventory (Tables)
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory

Inventory consisted of the following:

 

    March 31,   December 31,
    2021   2020
Finished goods   $ 325,451     $ 201,778  
Work in progress     10,083       4,231  
Raw materials     272,299       214,145  
Allowance for excess & obsolete inventory     (88,674 )     (93,045 )
Inventory, net   $ 519,159     $ 327,109