Condensed Consolidated Statements of Equity (Unaudited) - 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						18,241	18,241
Distribution to noncontrolling interest						(43,700)	(43,700)
Net income loss attributable to TSR, Inc.			37,795		37,795		37,795
Balance at Aug. 31, 2018	$ 31,142	5,102,868	16,642,014	(13,514,003)	8,262,021	19,093	8,281,114
Balance, shares at Aug. 31, 2018	3,114,163
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							28,659
Net income loss attributable to TSR, Inc.							(735,180)
Balance at Feb. 28, 2019	$ 31,142	5,102,868	15,869,039	(13,514,003)	7,489,046	20,511	7,509,557
Balance, shares at Feb. 28, 2019	3,114,163
Balance at Aug. 31, 2018	$ 31,142	5,102,868	16,642,014	(13,514,003)	8,262,021	19,093	8,281,114
Balance, shares at Aug. 31, 2018	3,114,163
Net income attributable to noncontrolling interest						9,644	9,644
Distribution to noncontrolling interest						(4,500)	(4,500)
Net income loss attributable to TSR, Inc.			(96,741)		(96,741)		(96,741)
Balance at Nov. 30, 2018	$ 31,142	5,102,868	16,545,273	(13,514,003)	8,165,280	24,237	8,189,517
Balance, shares at Nov. 30, 2018	3,114,163
Net income attributable to noncontrolling interest						774	774
Distribution to noncontrolling interest						(4,500)	(4,500)
Net income loss attributable to TSR, Inc.			(676,234)		(676,234)		(676,234)
Balance at Feb. 28, 2019	$ 31,142	5,102,868	15,869,039	(13,514,003)	7,489,046	20,511	7,509,557
Balance, shares at Feb. 28, 2019	3,114,163
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						3,672	3,672
Net income loss attributable to TSR, Inc.			(663,014)		(663,014)		(663,014)
Balance at Aug. 31, 2019	$ 31,142	5,102,868	14,605,210	(13,514,003)	6,225,217	32,464	6,257,681
Balance, shares at Aug. 31, 2019	3,114,163
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							13,027
Net income loss attributable to TSR, Inc.							(1,546,604)
Balance at Feb. 29, 2020	$ 31,142	5,102,868	13,721,620	(13,514,003)	5,341,627	13,028	5,354,655
Balance, shares at Feb. 29, 2020	3,114,163
Balance at Aug. 31, 2019	$ 31,142	5,102,868	14,605,210	(13,514,003)	6,225,217	32,464	6,257,681
Balance, shares at Aug. 31, 2019	3,114,163
Net income attributable to noncontrolling interest						6,246	6,246
Distribution to noncontrolling interest						(11,000)	(11,000)
Net income loss attributable to TSR, Inc.			61,512		61,512		61,512
Balance at Nov. 30, 2019	$ 31,142	5,102,868	14,666,722	(13,514,003)	6,286,729	27,710	6,314,439
Balance, shares at Nov. 30, 2019	3,114,163
Net income attributable to noncontrolling interest						3,109	3,109
Distribution to noncontrolling interest						(17,791)	(17,791)
Net income loss attributable to TSR, Inc.			(945,102)		(945,102)		(945,102)
Balance at Feb. 29, 2020	$ 31,142	$ 5,102,868	$ 13,721,620	$ (13,514,003)	$ 5,341,627	$ 13,028	$ 5,354,655
Balance, shares at Feb. 29, 2020	3,114,163