Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Income Statement [Abstract]
Revenue, net	$ 24,383,217	$ 17,160,494	$ 71,112,784	$ 47,743,077
Cost of sales	20,590,154	14,414,611	59,461,322	39,831,025
Selling, general and administrative expenses	3,829,819	3,084,495	11,628,284	8,414,414
Cost and expenses, total	24,419,973	17,499,106	71,089,606	48,245,439
Income (loss) from operations	(36,756)	(338,612)	23,178	(502,362)
Other income (expense):
Interest expense, net	(19,526)	(51,297)	(81,510)	(155,270)
Gain on PPP Loan and interest forgiveness			6,735,246
Unrealized gain (loss) on marketable securities, net	(1,200)	9,944	(7,536)	(1,720)
Income (loss) before income taxes	(57,482)	(379,965)	6,669,378	(659,352)
Benefit from income taxes	(14,000)	(79,000)	(1,000)	(114,000)
Consolidated net income (loss)	(43,482)	(300,965)	6,670,378	(545,352)
Less: Net income attributable to noncontrolling interest	3,129	3,964	72,410	9,335
Net income (loss) attributable to TSR, Inc.	$ (46,611)	$ (304,929)	$ 6,597,968	$ (554,687)
Basic net income (loss) per TSR, Inc. common share (in Dollars per share)	$ (0.02)	$ (0.16)	$ 3.33	$ (0.28)
Diluted net income (loss) per TSR, Inc. common share (in Dollars per share)	$ (0.02)	$ (0.16)	$ 3.19	$ (0.28)
Basic weighted average number of common shares outstanding (in Shares)	2,027,494	1,962,062	1,983,146	1,962,062
Diluted weighted average number of common shares outstanding (in Shares)	2,027,494	1,962,062	2,066,976	1,962,062