| Document and Entity Information | Nov. 15, 2021 |
| Document and Entity Information [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 15, 2021 |
| Entity File Number | 001-37809 |
| Entity Registrant Name | NeuroBo Pharmaceuticals, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 47-2389984 |
| Entity Address, Address Line One | 200 Berkeley Street |
| Entity Address, Adress Line Two | Office 19th Floor |
| Entity Address, City or Town | Boston |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02116 |
| City Area Code | 857 |
| Local Phone Number | 702-9600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | NRBO |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
| Entity Central Index Key | 0001638287 |
| Amendment Flag | false |
