Condensed Consolidated Statements of Income (unaudited) - USD ($)	3 Months Ended
	Aug. 31, 2024	Aug. 31, 2023
Condensed Consolidated Statements of Income (unaudited)
Sales, net	$ 11,617,856	$ 9,923,628
Cost of goods sold	6,114,226	5,539,052
Gross profit	5,503,630	4,384,576
Research and development costs	69,192	129,074
Selling, general and administrative expenses	2,529,537	2,335,957
Operating income	2,904,901	1,919,545
Other income	376,754	361,318
Income before provision for income taxes	3,281,655	2,280,863
Provision for income taxes	615,000	433,000
Net income	$ 2,666,655	$ 1,847,863
Basic and diluted earnings per common share	$ 0.85	$ 0.52