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Note 3 - Revenue (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Year Ended December 31, |
(in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 350,535 |  |  | $ | 263,086 |  |  | $ | 223,930 |
Europe |  |  | 80,889 |  |  |  | 70,154 |  |  |  | 63,365 |
Japan |  |  | 14,172 |  |  |  | 11,250 |  |  |  | 10,760 |
Total revenue |  | $ | 445,596 |  |  | $ | 344,490 |  |  | $ | 298,055 |
|  | Year Ended December 31, |
(in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |
Revenue: |  |  |  |  |  |  |  |  |  |  |  |
Injection Molding |  | $ | 210,523 |  |  | $ | 194,432 |  |  | $ | 175,974 |
CNC Machining |  |  | 153,521 |  |  |  | 103,739 |  |  |  | 81,407 |
3D Printing |  |  | 53,342 |  |  |  | 43,329 |  |  |  | 37,847 |
Sheet Metal |  |  | 24,998 |  |  |  | 1,767 |  |  |  | - |
Other Revenue |  |  | 3,212 |  |  |  | 1,223 |  |  |  | 2,827 |
Total revenue |  | $ | 445,596 |  |  | $ | 344,490 |  |  | $ | 298,055 |

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