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Note 13 - Commitments and Contingent Liabilities (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Unclaimed property audits expense (see Note 13)	$ 0	$ 494
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: