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Note 10 - Activity of Business Segments (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

For the Three Months Ended

   

For the Six Months Ended

 
   

June 30,

   

June 30,

 
   

2024

   

2023

   

2024

   

2023

 

Building Supply

  $ 9,941,000     $ 10,537,000     $ 18,181,000     $ 19,167,000  

Disposable Protective Apparel

    6,348,000       5,578,000       11,591,000       10,747,000  

Consolidated net sales

  $ 16,289,000     $ 16,115,000     $ 29,772,000     $ 29,914,000  
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]
   

For the Three Months Ended

   

For the Six Months Ended

 
    June 30,    

June 30,

 
   

2024

   

2023

   

2024

   

2023

 

Building Supply

  $ 1,828,000     $ 1,527,000     $ 2,792,000     $ 2,483,000  

Disposable Protective Apparel

    1,841,000       1,324,000       2,872,000       2,108,000  

Total segment income

    3,669,000       2,851,000       5,664,000       4,591,000  
                                 

Unallocated corporate overhead expenses

    1,550,000       1,267,000       2,823,000       2,314,000  

Provision for income taxes

    475,000       438,000       621,000       579,000  

Consolidated net income

  $ 1,644,000     $ 1,146,000     $ 2,220,000     $ 1,698,000  
Reconciliation of Assets from Segment to Consolidated [Table Text Block]
   

June 30,

   

December 31,

 
   

2024

   

2023

 
                 

Building Supply

  $ 3,176,000     $ 3,389,000  

Disposable Protective Apparel

    1,197,000       1,213,000  

Total segment assets

    4,373,000       4,602,000  
                 

Unallocated corporate assets

    996,000       1,040,000  

Total consolidated assets

  $ 5,369,000     $ 5,642,000