| Cover | Aug. 16, 2021 | Jun. 30, 2021 |
| Cover [Abstract] | ||
| Document Type | 8-K | |
| Amendment Flag | false | |
| Document Period End Date | Aug. 16, 2021 | |
| Entity File Number | 001-40652 | |
| Entity Registrant Name | INDAPTUS THERAPEUTICS, INC. | |
| Entity Central Index Key | 0001857044 | |
| Entity Tax Identification Number | 86-3158720 | |
| Entity Incorporation, State or Country Code | DE | |
| Entity Address, Address Line One | 3 Columbus Circle | |
| Entity Address, City or Town | 15th Floor | |
| Entity Address, State or Province | NY | |
| Entity Address, Postal Zip Code | 10019 | |
| City Area Code | (347) | |
| Local Phone Number | 480 - 9760 | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Title of 12(b) Security | Common Stock, $0.01 par value | |
| Trading Symbol | INDP | |
| Security Exchange Name | NASDAQ | |
| Entity Emerging Growth Company | false |
