Cover |
12 Months Ended |
|---|---|
Mar. 31, 2026 | |
| Cover [Abstract] | |
| Document Type | PRER14A |
| Amendment Flag | true |
| Entity Registrant Name | VivoSim Labs, Inc. |
| Entity Central Index Key | 0001497253 |
| Amendment Description | This Amendment No. 1 to Schedule 14A is being filed to provide the range of the reverse stock split ratio in Proposal 4 of the Registrant’s Preliminary Proxy Statement on Schedule 14A that was filed on August 10, 2026. |