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v3.23.1

Consolidated Statements of Shareholders' Equity (Parentheticals) - shares | 12 Months Ended | 36 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2022
Cashless warrant exercises (in shares) | 79,100 | 3,871,405 | 3,879,905

X
- Definition The number of warrants or rights exercised during period. + References No definition available. + Details
Name: | blfs_ClassOfWarrantOrRightExercisedDuringPeriod
Namespace Prefix: | blfs_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration