Cover |
Aug. 15, 2022 |
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| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 15, 2022 |
| Current Fiscal Year End Date | --09-30 |
| Entity File Number | 001-35570 |
| Entity Registrant Name | Sonnet BioTherapeutics Holdings, Inc. |
| Entity Central Index Key | 0001106838 |
| Entity Tax Identification Number | 20-2932652 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 100 Overlook Center |
| Entity Address, Address Line Two | Suite 102 |
| Entity Address, City or Town | Princeton |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 08540 |
| City Area Code | (609) |
| Local Phone Number | 375-2227 |
| 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 $0.0001 per share |
| Trading Symbol | SONN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Information, Former Legal or Registered Name | Not Applicable |
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