Note 14 - Segment and Related Information (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2024			2023			2024		2023
Sales summary by segment
Commercial Air Handling	$	15,934,797		$	12,728,949		$	49,344,640	$	43,640,142
Industrial and Transportation Products	$	20,801,431		$	20,912,564		$	63,467,315	$	66,418,742
Total Sales	$	36,736,228		$	33,641,513		$	112,811,955	$	110,058,884
Gross profit summary by segment
Commercial Air Handling	$	5,995,775		$	4,303,355		$	17,329,383	$	13,773,039
Industrial and Transportation Products	$	4,691,877		$	4,605,977		$	14,014,616	$	16,127,722
Total Gross Profit	$	10,687,652		$	8,909,332		$	31,343,999	$	29,900,761
Segment operating profit
Commercial Air Handling	$	4,942,819		$	3,339,289		$	14,163,654	$	10,742,038
Industrial and Transportation Products	$	1,490,599		$	1,948,255		$	4,658,006	$	7,745,106
Total Segment Operating Profit	$	6,433,418		$	5,287,544		$	18,821,660	$	18,487,144
Corporate charges not allocated to segments	$	1,174,975		$	990,576		$	3,872,947	$	3,918,544
Operating Income	$	5,258,443		$	4,296,968		$	14,948,713	$	14,568,600
Interest charges	$	262,130		$	294,825		$	804,028	$	1,030,729
Loss (gain) on investments	$	(12,059	)	$	135,522		$	367,407	$	17,040
Other (income) expense, net	$	303,013		$	(599	)	$	369,718	$	(345,569	)
Income before Provision for Income Taxes	$	4,705,359		$	3,867,220		$	13,407,560	$	13,866,400