Condensed Consolidated Statements Of Equity (USD $)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Non-controlling Interest [Member]	Total
Balance, value at May. 31, 2010 (Scenario, Previously Reported [Member])	$ 62,283	$ 5,071,727	$ 20,661,190	$ (13,253,523)	$ 27,820	$ 12,569,497
Balance, value at May. 31, 2010	31,142	5,102,868	20,661,190	(13,253,523)	27,820	12,569,497
Balance, shares at May. 31, 2010 (Scenario, Previously Reported [Member])	6,228,326
Balance, shares at May. 31, 2010	3,114,163
Reverse stock split 1:2, value (Reverse Stock Split [Member])	(31,141)	31,141
Reverse stock split 1:2, shares (Reverse Stock Split [Member])	(3,114,163)
Net income attributable to noncontrolling interest					44,356	44,356
Distribution to noncontrolling interest					(7,000)	(7,000)
Purchases of treasury stock				(25,726)		(25,726)
Net income attributable to TSR, Inc.			171,973			171,973
Balance, value at Nov. 30, 2010	31,142	5,102,868	20,833,163	(13,279,249)	65,176	12,753,100
Balance, shares at Nov. 30, 2010	3,114,163
Balance, value at May. 31, 2011	31,142	5,102,868	20,858,282	(13,279,263)	42,165	12,755,194
Balance, shares at May. 31, 2011	3,114,163					3,114,163
Net income attributable to noncontrolling interest					22,978	22,978
Distribution to noncontrolling interest					(7,000)	(7,000)
Purchases of treasury stock				(104,076)		(104,076)
Net income attributable to TSR, Inc.			78,889			78,889
Balance, value at Nov. 30, 2011	$ 31,142	$ 5,102,868	$ 20,937,171	$ (13,383,339)	$ 58,143	$ 12,745,985
Balance, shares at Nov. 30, 2011	3,114,163					3,114,163