Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Income Statement [Abstract]
Revenue, net	$ 21,657,477	$ 26,030,816	$ 44,170,767	$ 52,230,244
Cost of sales	17,839,415	21,399,606	36,325,994	43,166,518
Selling, general and administrative expenses	3,185,104	3,625,172	6,436,865	7,302,777
Cost and expenses, total	21,024,519	25,024,778	42,762,859	50,469,295
Income from operations	632,958	1,006,038	1,407,908	1,760,949
Other income (expense):
Interest income (expense), net	27,022	(16,670)	23,776	(35,838)
Unrealized gain (loss) on marketable securities, net	7,648	(1,480)	10,608	(11,480)
Income before income taxes	667,628	987,888	1,442,292	1,713,631
Provision for income taxes	181,000	301,000	384,000	519,000
Consolidated net income	486,628	686,888	1,058,292	1,194,631
Less: Net income attributable to noncontrolling interest	26,643	13,055	51,519	26,052
Net income attributable to TSR, Inc.	$ 459,985	$ 673,833	$ 1,006,773	$ 1,168,579
Basic net income per TSR, Inc. common share (in Dollars per share)	$ 0.21	$ 0.31	$ 0.47	$ 0.55
Diluted net income per TSR, Inc. common share (in Dollars per share)	$ 0.2	$ 0.3	$ 0.45	$ 0.52
Basic weighted average number of common shares outstanding (in Shares)	2,143,712	2,139,861	2,143,712	2,143,155
Diluted weighted average number of common shares outstanding (in Shares)	2,250,118	2,232,332	2,248,851	2,234,473