Note 17 - Quarterly Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Quarterly Financial Information [Table Text Block]

	Year Ended December 31, 2024
	March 31,		June 30,		September 30,		December 31,
	2024		2024		2024		2024
Sales	$	38,439,639	$	37,636,088	$	36,736,228	$	37,386,329
Gross Profit		10,245,033		10,411,315		10,687,649		10,302,098
Operating Income		4,574,090		5,116,181		5,258,441		4,742,665
Net Income		2,996,885		3,283,456		3,369,211		3,948,415
Net Income per Common Share:
Basic	$	0.85	$	0.93	$	0.95	$	1.12
Diluted	$	0.85	$	0.92	$	0.95	$	1.11

	Year Ended December 31, 2023
	March 31,		June 30,		September 30,		December 31,
	2023		2023		2023		2023
Sales	$	39,484,356	$	36,933,015	$	33,641,513	$	33,827,050
Gross Profit		10,516,552		10,474,878		8,909,332		7,745,321
Operating Income		5,119,267		5,152,364		4,296,968		3,363,871
Net Income		3,391,473		3,851,342		2,814,736		3,237,242
Net Income per Common Share:
Basic	$	0.97	$	1.10	$	0.80	$	0.92
Diluted	$	0.97	$	1.09	$	0.80	$	0.91