Consolidated Statements of Income - USD ($)		12 Months Ended
		May 31, 2024	May 31, 2023
Consolidated Statements of Income
Sales, net (Note 9)	[1]	$ 44,582,807	$ 40,199,354
Cost of goods sold		23,743,554	23,250,039
Gross profit		20,839,253	16,949,315
Research and development costs		388,476	1,096,807
Selling, general and administrative expenses		10,971,358	9,043,442
Operating income		9,479,419	6,809,066
Other income (expense)
Interest, net		1,426,584	698,864
Miscellaneous		14,759	(2,572)
Total other income, net		1,441,343	696,292
Income before provision for income taxes		10,920,762	7,505,358
Provision for income taxes (Note 10)	[2]	1,922,000	1,218,000
Net income		$ 8,998,762	$ 6,287,358
Basic earnings per common share (Note 11)	[3]	$ 2.68	$ 1.79
Diluted earnings per common share (Note 11)	[3]	$ 2.58	$ 1.77

[1] Note 9

[2] Note 10Note 10

[3] Note 11Note 11