XML 23 R11.htm IDEA: XBRL DOCUMENT v3.22.4
Note 3 - Inventories
12 Months Ended
Dec. 31, 2022
Notes to Financial Statements  
Inventory Disclosure [Text Block]

4.

Inventories

 

Inventories consisted of the following:

 

   

December 31,

 
   

2022

   

2021

 
                 

Raw materials

  $ 13,018,000     $ 13,545,000  

Work in process

    2,225,000       3,890,000  

Finished goods

    9,154,000       7,534,000  

Total inventory

  $ 24,397,000     $ 24,969,000