| Document And Entity Information - USD ($) | 12 Months Ended | ||
| May 31, 2022 | Sep. 14, 2022 | Nov. 30, 2021 | |
| Document Information Line Items | |||
| Entity Registrant Name | TSR, Inc. | ||
| Trading Symbol | TSRI | ||
| Document Type | 10-K/A | ||
| Current Fiscal Year End Date | --05-31 | ||
| Entity Common Stock, Shares Outstanding | 2,146,448 | ||
| Entity Public Float | $ 8,474,000 | ||
| Amendment Flag | true | ||
| Amendment Description | TSR, Inc. (“TSR” or the “Company”) is filing this Amendment No. 1 on Form 10-K/A (this “Amendment”) to its Form 10-K for the fiscal year ended May 31, 2022, which was filed with the SEC on August 15, 2022 (the “Original Filing”).This Amendment is being filed for the purpose of providing the information required by Items 10 through 14 of Part III of Form 10-K. This information was previously omitted from the Original Filing in reliance on General Instruction G(3) to Form 10-K, which permits the above-referenced Items to be incorporated in the Annual Report on Form 10-K by reference from a definitive proxy statement, if such definitive proxy statement is filed no later than 120 days after the last day of the Company’s fiscal year on May 31, 2022.In accordance with Rule 12b-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), the cover page to the Original Filing and Items 10 through 14 of Part III of the Original Filing are hereby amended and restated in their entirety. In addition, pursuant to Rule 12b-15 under the Exchange Act, the Company is including Item 15 of Part IV, solely to file the certifications required under Section 302 of the Sarbanes-Oxley Act of 2002 with this Amendment.Except as described above, no other changes have been made to the Original Filing. This Amendment No. 1 does not affect any other section of the Original Filing not otherwise discussed herein and continues to speak as of the date of the Original Filing. The Company has not updated the disclosures contained in the Original Filing to reflect any events that occurred subsequent to the date of the Original Filing. Accordingly, this Amendment No. 1 should be read in conjunction with the Company’s other filings made with the SEC subsequent to the filing of the Original Filing. | ||
| Entity Central Index Key | 0000098338 | ||
| Entity Current Reporting Status | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Filer Category | Non-accelerated Filer | ||
| Entity Well-known Seasoned Issuer | No | ||
| Document Period End Date | May 31, 2022 | ||
| Document Fiscal Year Focus | 2022 | ||
| Document Fiscal Period Focus | FY | ||
| Entity Small Business | true | ||
| Entity Emerging Growth Company | false | ||
| Entity Shell Company | false | ||
| ICFR Auditor Attestation Flag | false | ||
| Document Annual Report | true | ||
| Document Transition Report | false | ||
| Entity File Number | 001-38838 | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 13-2635899 | ||
| Entity Address, Address Line One | 400 Oser Avenue | ||
| Entity Address, Address Line Two | Suite 150 | ||
| Entity Address, City or Town | Hauppauge | ||
| Entity Address, State or Province | NY | ||
| Entity Address, Postal Zip Code | 11788 | ||
| Local Phone Number | 231-0333 | ||
| City Area Code | 631 | ||
| Title of 12(b) Security | Common Stock, par value $0.01 per share | ||
| Security Exchange Name | NASDAQ | ||
| Entity Interactive Data Current | Yes | ||
| Auditor Firm ID | 596 | ||
| Auditor Location | Melville, New York | ||
| Auditor Name | CohnReznick LLP |
