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.

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-Section 25
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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.

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This element represents the amount of any change recognized during the period in the high-end of the estimated range of outcomes (undiscounted) of a liability assumed in a business combination arising from an item of contingent consideration.

+ References

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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Note 3 - Business Combinations (Details Textual) - USD ($) $ in Thousands			3 Months Ended	11 Months Ended		12 Months Ended
	Feb. 03, 2020	Jan. 24, 2020	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Asset, Useful Life (Year)						13 years	11 years
Developed Technology Rights [Member]
Finite-Lived Intangible Asset, Useful Life (Year)						15 years	15 years
Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life (Year)						10 years
Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life (Year)						5 years	9 years
Parcus Medical [Member]
Business Combination, Consideration Transferred, Total		$ 75,136
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High		60,000
Business Combination, Acquisition Related Costs			$ 1,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		10,968
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual				$ 11,600
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual				$ (7,700)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		$ 44,000
Parcus Medical [Member] \| Developed Technology Rights [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		15 years
Parcus Medical [Member] \| Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		10 years
Parcus Medical [Member] \| Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		5 years
Parcus Medical [Member] \| Trunk Stock [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		$ 1,900
Arthrosurface [Member]
Business Combination, Consideration Transferred, Total	$ 90,285
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High	40,000
Business Combination, Acquisition Related Costs			$ 2,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	15,652
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual					$ 23,900
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual					$ (10,700)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 48,900
Arthrosurface [Member] \| Developed Technology Rights [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	15 years
Arthrosurface [Member] \| Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years
Arthrosurface [Member] \| Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	5 years
Arthrosurface [Member] \| In Process Research and Development [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 600