Consolidated Statements of Equity - USD ($)	Common stock	Additional paid-in capital	Retained earnings	Treasury stock	TSR, Inc. equity	Non-controlling interest	Total
Balance at May. 31, 2018	$ 31,142	$ 5,102,868	$ 16,604,219	$ (13,514,003)	$ 8,224,226	$ 44,552	$ 8,268,778
Balance, shares at May. 31, 2018	3,114,163
Net income attributable to noncontrolling interest						36,940	36,940
Distribution to noncontrolling interest						(52,700)	(52,700)
Net loss attributable to TSR, Inc.			(1,335,995)		(1,335,995)		(1,335,995)
Balance at May. 31, 2019	$ 31,142	5,102,868	15,268,224	(13,514,003)	6,888,231	28,792	6,917,023
Balance, shares at May. 31, 2019	3,114,163
Net income attributable to noncontrolling interest						28,379	28,379
Distribution to noncontrolling interest						(28,791)	(28,791)
Net loss attributable to TSR, Inc.			(1,126,428)		(1,126,428)		(1,126,428)
Balance at May. 31, 2020	$ 31,142	$ 5,102,868	$ 14,141,796	$ (13,514,003)	$ 5,761,803	$ 28,380	$ 5,790,183
Balance, shares at May. 31, 2020	3,114,163