XML 282 R94.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Income taxes - Schedule of Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |  |
Beginning balance | $ 49,517 | $ 33,402 | $ 2,993
Net deferred tax assets divested | (7,173) | 0 | 0
Charged to income tax expense | 15,989 | 16,115 | 30,409
Ending balance | $ 58,333 | $ 49,517 | $ 33,402

X
- Definition Deferred Tax Assets, Valuation Allowance + References No definition available. + Details
Name: | blfs_DeferredTaxAssetsValuationAllowanceRollForward
Namespace Prefix: | blfs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of deferred tax assets valuation allowance charged to income tax expense. + References No definition available. + Details
Name: | blfs_ValuationAllowanceDeferredTaxAssetChargedToIncomeTaxExpense
Namespace Prefix: | blfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Valuation Allowance, Deferred Tax Assets, Net Deferred Tax Assets Divested + References No definition available. + Details
Name: | blfs_ValuationAllowanceDeferredTaxAssetsNetDeferredTaxAssetsDivested
Namespace Prefix: | blfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant