Annual report pursuant to Section 13 and 15(d)

INVENTORY (Details)

v3.22.1
INVENTORY (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Inventory [Line Items]    
Raw materials $ 4,023,000 $ 4,923,000
Work in process 1,286,000 785,000
Finished goods 3,315,000 3,132,000
Total gross inventory 8,624,000 8,840,000
Inventory write-down 300,000 300,000
Outside the United States    
Inventory [Line Items]    
Total gross inventory $ 0 $ 0