Cover
| Cover | Nov. 23, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 23, 2021 |
| Entity File Number | 001-37350 |
| Entity Registrant Name | InVivo Therapeutics Holdings Corp. |
| Entity Central Index Key | 0001292519 |
| Entity Tax Identification Number | 36-4528166 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | One Kendall Square |
| Entity Address, Address Line Two | Suite B14402 |
| Entity Address, City or Town | Cambridge |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02139 |
| City Area Code | 617 |
| Local Phone Number | 863-5500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.00001 par value per share |
| Trading Symbol | NVIV |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |