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Note 12 - Segment Reporting - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Long-lived assets	$ 187,863	$ 166,440
Operating Segments [Member] | United States Segment [Member]
Long-lived assets	145,903	125,308
Operating Segments [Member] | Europe Segment [Member]
Long-lived assets	34,190	33,691
Operating Segments [Member] | Japan Segment [Member]
Long-lived assets	$ 7,770	$ 7,441

X

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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