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, 2019	$ 6,917,023	$ 31,142	$ 5,102,868	$ 15,268,224	$ (13,514,003)	$ 6,888,231	$ 28,792
Balance (in Shares) at May. 31, 2019		3,114,163
Net income attributable to noncontrolling interest	3,672						3,672
Net loss attributable to TSR, Inc.	(663,014)			(663,014)		(663,014)
Balance at Aug. 31, 2019	6,257,681	$ 31,142	5,102,868	14,605,210	(13,514,003)	6,225,217	32,464
Balance (in Shares) at Aug. 31, 2019		3,114,163
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 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