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Inventories
9 Months Ended
Sep. 30, 2024
Inventory Disclosure [Abstract]  
Inventories

Note 6 - Inventories

 

   September 30, 2024   December 31, 2023 
Raw materials  $1,197,000   $1,156,000 
Work in process   2,563,000    2,511,000 
Finished goods   4,092,000    4,124,000 
Total inventories  $7,852,000   $7,791,000