| Document and Entity Information | Mar. 08, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | This Current Report on Form 8-K/A (Amendment) is being filed as an amendment to the Current Report on Form 8-K filed by Minerva Surgical, Inc. (the Company) on March 8, 2022 (the “Original 8-K”). The Original 8-K was filed with the Securities and Exchange Commission to report the results of the Company’s operations for the quarter and year ended December 31, 2021, which were announced in a press release issued on March 8, 2022 and attached to the Original 8-K as Exhibit 99.1. The sole purpose of this Amendment is to correct numeric disclosures in the press release as set forth below. The Original Form 8-K otherwise remains unchanged. |
| Document Period End Date | Mar. 8, 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 |
