Note 4 - Acquisitions - Pro Forma Financial Information (Details) - Artegraft Inc [Member] $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2021 USD ($) $ / shares
Net sales \| $	$ 34,797
Net income \| $	$ 2,625
Basic (in dollars per share) \| $ / shares	$ 0.13
Diluted (in dollars per share) \| $ / shares	$ 0.13

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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-Publisher FASB
-Name Accounting Standards Codification
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