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Note 13 - Segment Reporting - Income From Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income from operations	$ 7,890	$ 4,261
Operating Segments [Member] | United States Segment [Member]
Income from operations	22,524	22,503
Operating Segments [Member] | Europe Segment [Member]
Income from operations	(1,679)	(1,371)
Operating Segments [Member] | Corporate Unallocated and Japan Segment[Member]
Income from operations	$ (12,955)	$ (16,871)

X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

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