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Inventories, Net (Tables)
9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventories

 

   September 30, 2022   December 31, 2021 
Raw materials  $1,387,000   $1,249,000 
Work in process   2,773,000    2,492,000 
Finished goods   5,176,000    4,425,000 
Allowance for excess quantities   (174,000)   (290,000)
Total inventories  $9,162,000   $7,876,000