Condensed Consolidated Statements of Equity (Unaudited) - USD ($)	Total	Common stock	Additional paid-in capital	Retained earnings	Treasury stock	TSR, Inc. equity	Non- controlling interest
Balance at May. 31, 2020	$ 5,790,183	$ 31,142	$ 5,102,868	$ 14,141,796	$ (13,514,003)	$ 5,761,803	$ 28,380
Balance (in Shares) at May. 31, 2020		3,114,163
Net income attributable to noncontrolling interest	5,923						5,923
Net income (Loss) attributable to TSR, Inc.	(3,000)			(3,000)		(3,000)
Balance at Aug. 31, 2020	5,793,106	$ 31,142	5,102,868	14,138,796	(13,514,003)	5,758,803	34,303
Balance (in Shares) at Aug. 31, 2020		3,114,163
Balance at May. 31, 2021	5,421,052	$ 31,142	5,339,200	13,540,822	(13,514,003)	5,397,161	23,891
Balance (in Shares) at May. 31, 2021		3,114,163
Net income attributable to noncontrolling interest	57,492						57,492
Distribution to noncontrolling interest	(1,750)						(1,750)
Non-cash stock compensation	177,249		177,249			177,249
Net income (Loss) attributable to TSR, Inc.	6,401,543			6,401,543		6,401,543
Balance at Aug. 31, 2021	$ 12,055,586	$ 31,142	$ 5,516,449	$ 19,942,365	$ (13,514,003)	$ 11,975,953	$ 79,633
Balance (in Shares) at Aug. 31, 2021		3,114,163