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Note 12 - Segment Reporting (Tables) | 9 Months Ended
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Sep. 30, 2019
Notes Tables |
Income from Operations by Geographic Area [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(in thousands) |  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Income from Operations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 28,109 |  |  | $ | 30,479 |  |  | $ | 82,367 |  |  | $ | 88,579 |
Europe |  |  | 4,045 |  |  |  | 5,465 |  |  |  | 12,022 |  |  |  | 12,835 |
Corporate Unallocated and Japan |  |  | (10,881 | ) |  |  | (10,913 | ) |  |  | (34,095 | ) |  |  | (32,671 | )
Total Income from Operations |  | $ | 21,273 |  |  | $ | 25,031 |  |  | $ | 60,294 |  |  | $ | 68,743 |
Long-lived Assets by Geographic Areas [Table Text Block] |
|  | September 30, |  |  | December 31, |
(in thousands) |  | 2019 |  |  | 2018 |
Total long-lived assets: |  |  |  |  |  |  |  |
United States |  | $ | 203,771 |  |  | $ | 185,979 |
Europe |  |  | 40,353 |  |  |  | 34,577 |
Japan |  |  | 8,455 |  |  |  | 7,445 |
Total Assets |  | $ | 252,579 |  |  | $ | 228,001 |
Operating Segments [Member] |
Notes Tables |
Revenue from External Customers by Geographic Areas [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(in thousands) |  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 92,916 |  |  | $ | 90,732 |  |  | $ | 271,877 |  |  | $ | 261,253 |
Europe |  |  | 20,721 |  |  |  | 21,273 |  |  |  | 62,915 |  |  |  | 61,431 |
Japan |  |  | 3,818 |  |  |  | 3,425 |  |  |  | 12,047 |  |  |  | 10,143 |
Total revenue |  | $ | 117,455 |  |  | $ | 115,430 |  |  | $ | 346,839 |  |  | $ | 332,827 |

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