Annual report pursuant to Section 13 and 15(d)

Inventories (Schedule of Inventories) (Details)

v3.21.1
Inventories (Schedule of Inventories) (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Inventories [Abstract]    
Finished goods $ 7,871,000 $ 6,728,000
Raw and processed materials 826,000 1,803,000
Inventories $ 8,696,880 $ 8,531,112