Annual report pursuant to Section 13 and 15(d)

Inventories (Schedule of Inventories) (Details)

v3.20.1
Inventories (Schedule of Inventories) (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Inventories [Abstract]    
Finished goods $ 6,728,000 $ 7,140,000
Raw and processed materials 1,803,000 4,859,000
Inventories $ 8,531,112 $ 11,998,638