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Note 4 - Goodwill and Long-Lived Assets - Schedule of Intangible Asset Amortization Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Total amortization of intangible assets | $ 899 | $ 1,378 | $ 3,308 | $ 4,129
Cost of Revenues [Member] |  |  |  |
Total amortization of intangible assets | 44 | 44 | 131 | 131
Operating Expense [Member] |  |  |  |
Total amortization of intangible assets | $ 855 | $ 1,334 | $ 3,177 | $ 3,998

X
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets including portion attributable to discontinued operations, not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References No definition available. + Details
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Namespace Prefix: | hbio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_IncomeStatementLocationAxis=hbio_CostOfRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |