Note 18 - Acquisition Activity - Business Acquisition, Consideration Transferred (Details) - Immunetics [Member]	Oct. 12, 2016 USD ($)
Cash consideration	$ 6,000,000
Estimated fair value of contingent consideration	3,444,000
Total consideration transferred	$ 9,444,000

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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