XML 35 R25.htm IDEA: XBRL DOCUMENT v3.23.2
Note 5 - Inventories (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

June 30,

   

December 31,

 
   

2023

   

2022

 
                 

Raw materials

  $ 11,114,000     $ 13,018,000  

Work in process

    3,689,000       2,225,000  

Finished goods

    7,168,000       9,154,000  
    $ 21,971,000     $ 24,397,000