Note 17 - Quarterly Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Quarterly Financial Information [Table Text Block]

	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

	Year Ended December 31, 2022
	March 31,		June 30,		September 30,		December 31,
	2022		2022		2022		2022
Sales	$	31,002,746	$	31,902,027	$	32,189,623	$	32,660,531
Gross Profit		6,366,405		6,768,491		6,309,803		7,588,082
Operating Income		1,397,321		2,375,527		1,999,678		2,760,946
Net Income		1,065,875		1,171,264		1,254,545		3,069,719
Net Income per Common Share:
Basic	$	0.31	$	0.34	$	0.36	$	0.88
Diluted	$	0.31	$	0.34	$	0.36	$	0.88