Cover
Cover - USD ($) $ in Millions | 12 Months Ended | ||
Dec. 31, 2020 | Mar. 15, 2021 | Jun. 30, 2020 | |
Cover [Abstract] | |||
Document Type | 10-K/A | ||
Document Annual Report | true | ||
Document Period End Date | Dec. 31, 2020 | ||
Current Fiscal Year End Date | --12-31 | ||
Document Transition Report | false | ||
Entity File Number | 001-35890 | ||
Entity Registrant Name | Millendo Therapeutics, Inc. | ||
Entity Incorporation, State or Country Code | DE | ||
Entity Tax Identification Number | 45-1472564 | ||
Entity Address, State or Province | MI | ||
Entity Address, City or Town | Ann Arbor | ||
Entity Address, Address Line Two | SuiteĀ 100 | ||
Entity Address, Address Line One | 110 Miller Avenue | ||
Entity Address, Postal Zip Code | 48104 | ||
City Area Code | 734 | ||
Local Phone Number | 845-9000 | ||
Title of 12(b) Security | Common Stock, $0.001 par value | ||
Trading Symbol | MLND | ||
Security Exchange Name | NASDAQ | ||
Entity Well-known Seasoned Issuer | No | ||
Entity Voluntary Filers | No | ||
Entity Current Reporting Status | Yes | ||
Entity Interactive Data Current | Yes | ||
Entity Filer Category | Non-accelerated Filer | ||
Entity Small Business | true | ||
Entity Emerging Growth Company | false | ||
Entity Shell Company | false | ||
Entity Public Float | $ 33.3 | ||
Entity Common Stock, Shares Outstanding | 19,043,034 | ||
Entity Central Index Key | 0001544227 | ||
Amendment Flag | false | ||
Document Fiscal Year Focus | 2020 | ||
Document Fiscal Period Focus | FY |