| Document and Entity Information | Nov. 14, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | This Current Report on Form 8-K/A (the “Amendment”) is being filed as an amendment to the Current Report on Form 8-K filed by Minerva Surgical, Inc. (the “Company”) on November 14, 2022 (the “Original 8-K”). The Original 8-K was filed with the Securities and Exchange Commission to furnish the press release filed by the Company in connection with the announcement of its financial results for the third quarter ended September 30, 2022. The purpose of this amendment is to correct the Original 8-K to provide the appropriate heading and disclosure under Item 2.02 of Form 8-K and also attach the transcript of a conference call to discuss the Company’s third quarter 2022 financial results, which was held on November 14, 2022. The Company had included an announcement of the conference call in the press release filed with the Original Form 8-K. The Original Form 8-K otherwise remains unchanged. |
| Document Period End Date | Nov. 14, 2022 |
| Trading Symbol | UTRS |
| Title of 12(b) Security | Common Stock, $0.001 par value per share |
| Security Exchange Name | NASDAQ |
| Entity Registrant Name | Minerva Surgical, Inc. |
| Entity Central Index Key | 0001452965 |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-40919 |
| Entity Tax Identification Number | 26-3422906 |
| Entity Address, Address Line One | 4255 Burton Dr |
| Entity Address, City or Town | Santa Clara |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 95054 |
| City Area Code | 855 |
| Local Phone Number | 646-7874 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
