| Cover | Apr. 17, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Apr. 17, 2024 |
| Entity Registrant Name | BioLife Solutions, Inc |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-36362 |
| Entity Tax Identification Number | 94-3076866 |
| Entity Address, Address Line One | 3303 Monte Villa Parkway |
| Entity Address, City or Town | Bothell |
| Entity Address, State or Province | WA |
| Entity Address, Postal Zip Code | 98021 |
| City Area Code | 425 |
| Local Phone Number | 402-1400 |
| 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 | BLFS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0000834365 |
