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Note 4 - Acquisition (Details Textual) - Data Sciences International, Inc. (DSI) [Member] - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 31, 2018 | Dec. 31, 2018
Business Combination, Consideration Transferred, Total | $ 71.1 |
Business Combination Purchase Accounting Inventory Fair Value Step Up Amortization |  | $ 3.8
Business Combination, Purchase Accounting Inventory Fair Value Step Up, Recognized Period |  | 180 days
Business Combination Proforma Information Amortization Of Intangible Assets |  | $ 2.9
Business Combination, Acquisition Related Costs |  | $ 3.4

X
- Definition This element represents the amount of intangible asset amortization expense of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References No definition available. + Details
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Namespace Prefix: | hbio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of purchase accounting inventory fair value step up amortization recognized in cost of revenues since the date of acquisition. + References No definition available. + Details
Name: | hbio_BusinessCombinationPurchaseAccountingInventoryFairValueStepUpAmortization
Namespace Prefix: | hbio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents recognized period for purchase accounting inventory fair value step up for business acquisition. + References No definition available. + Details
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Namespace Prefix: | hbio_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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- Details
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Balance Type: |
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