Consolidated Statements of Income - USD ($)		12 Months Ended
		May 31, 2023	May 31, 2022
Consolidated Statements of Income
Sales, net (Note 9)	[1]	$ 40,199,354	$ 30,866,582
Cost of goods sold		24,133,312	21,239,886
Gross profit		16,066,042	9,626,696
Research and development costs		1,096,807	999,184
Selling, general and administrative expenses		8,160,169	6,154,735
Operating income		6,809,066	2,472,777
Other income (expense)
Interest, net		698,864	4,543
Miscellaneous		(2,572)	79,103
Total other income, net		696,292	83,646
Income before provision for income taxes		7,505,358	2,556,423
Provision for income taxes (Note 10)	[2]	1,218,000	317,000
Net income		$ 6,287,358	$ 2,239,423
Basic earnings per common share (Note 11)	[3]	$ 1.79	$ 0.64
Diluted earnings per common share (Note 11)	[3]	$ 1.77	$ 0.64

[1] Note 9

[2] Note 10Note 10

[3] Note 11Note 11