| Cover | Jan. 29, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 29, 2025 |
| Entity File Number | 001-42212 |
| Entity Registrant Name | IMPACT BIOMEDICAL INC. |
| Entity Central Index Key | 0001834105 |
| Entity Tax Identification Number | 85-3926944 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 1400 Broadfield Blvd. |
| Entity Address, Address Line Two | Suite 130 |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77084 |
| City Area Code | (585) |
| Local Phone Number | 325-3610 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value per share |
| Entity Emerging Growth Company | false |
