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Note 16 - Commitments and Contingent Liabilities (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Unclaimed Property Audits (Credit) Expense | $ 347 | $ 0
Director [Member] | Indemnification Agreements [Member] |  |
Liability for Contingent Indemnification Obligations | $ 0 |

X
- Definition Represents liability for contingent indemnification obligations. + References No definition available. + Details
Name: | hbio_LiabilityForContingentIndemnificationObligations
Namespace Prefix: | hbio_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of audits (credit) expense for unclaimed property. + References No definition available. + Details
Name: | hbio_UnclaimedPropertyAuditsCreditExpense
Namespace Prefix: | hbio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=hbio_IndemnificationAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |