v3.25.1
Note 13 - Segment and Related Information (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
  

Three Months Ended

 
  

March 31,

 
  

2025

  

2024

 

Sales summary by segment

        

Commercial Air Handling

 $21,077,475  $16,978,444 

Industrial and Transportation Products

  22,236,636   21,461,195 

Total Sales

  43,314,111   38,439,639 
         

Gross profit summary by segment

        

Commercial Air Handling

  7,124,068   5,632,095 

Industrial and Transportation Products

  4,937,554   4,612,938 

Total Gross Profit

  12,061,622   10,245,033 
         

Segment operating profit

        

Commercial Air Handling

  4,923,311   4,548,801 

Industrial and Transportation Products

  1,432,075   1,575,114 

Total Segment Operating Profit

  6,355,386   6,123,915 
         

Corporate charges not allocated to segments

  1,462,534   1,549,825 

Operating Income

  4,892,852   4,574,090 
         

Interest charges

  326,624   237,841 

Loss on investments

  -   118,077 

Other expense

  351,654   72,263 

Income before Provision for Income Taxes

 $4,214,574  $4,145,909