General form of registration statement for all companies including face-amount certificate companies

Inventories (Details)

v3.21.1
Inventories (Details) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]      
Raw materials $ 945,883 $ 763,633 $ 511,166
Work in process 215,507 173,043 192,990
Finished product 90,417  
Total inventory $ 1,251,807 $ 936,676 $ 704,156