Note 2 - Business Acquisitions, Goodwill and Purchased Intangible Assets - Total Purchase Price (Details) - Kita Manufacturing Co. LTD. and Kita USA, Inc. [Member] $ in Thousands	Jan. 04, 2017 USD ($)
Cash paid to Kita shareholders	$ 15,000
Fair value of contingent consideration	823
Total purchase price	$ 15,823

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

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