Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Aug. 31, 2023	Aug. 31, 2022
Income Statement [Abstract]
Revenue, net	$ 22,513,290	$ 26,199,428
Cost of sales	18,486,579	21,766,912
Selling, general and administrative expenses	3,251,761	3,677,605
Cost and expenses, total	21,738,340	25,444,517
Income from operations	774,950	754,911
Other income (expense):
Interest expense, net	(3,246)	(19,168)
Unrealized gain (loss) on marketable securities, net	2,960	(10,000)
Income before income taxes	774,664	725,743
Provision for income taxes	203,000	218,000
Consolidated net income	571,664	507,743
Less: Net income attributable to noncontrolling interest	24,876	12,997
Net income attributable to TSR, Inc.	$ 546,788	$ 494,746
Basic net income per TSR, Inc. common share (in Dollars per share)	$ 0.26	$ 0.23
Diluted net income per TSR, Inc. common share (in Dollars per share)	$ 0.24	$ 0.22
Basic weighted average number of common shares outstanding (in Shares)	2,143,712	2,146,448
Diluted weighted average number of common shares outstanding (in Shares)	2,247,300	2,236,674