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Note 15 - Depuy Synthes Mitek Sports Medicine Agreements (Details Textual) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 31, 2003 | Jun. 30, 2014 | Sep. 30, 2017 | Dec. 31, 2012
Mitek MONOVISC Agreement [Member] |  |  |  |  |
License Agreement Term | 15 years |  |  |  |
Revenue Recognition, Milestone Method, Revenue Recognized |  |  | $ 5 |  |
Mitek ORTHOVISC Agreement [Member] |  |  |  |  |
License Agreement Term |  | 10 years |  |  |
License Agreement Additional Term |  |  |  | 5 years | 5 years

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- Definition The additional term extension under the license agreement. + References No definition available. + Details
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- Definition The term under the license agreement. + References No definition available. + Details
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- Definition The amount of consideration recognized during the period for the milestone or milestones. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 28 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=68058744&loc=SL6892177-166501 + Details
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