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Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consist of the following:
September 30,
2021
December 31,
2020
Raw materials
$17,092,000 $4,251,000 
Work in progress
— 133,000 
Finished goods
43,790,000 45,252,000 
Subtotal
60,882,000 49,636,000 
Less inventory reserve
(675,000)(675,000)
Total inventories$60,207,000 $48,961,000