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Note 6 - Goodwill and Other Intangible Assets (Details Textual) $ in Thousands, € in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 22, 2021 USD ($) | Jan. 22, 2021 EUR (€) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Goodwill, Acquired During Period |  |  | $ 280,925 | $ 0 |
Amortization of Intangible Assets, Total |  |  | 6,200 | 3,000 | $ 3,500
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Total |  |  | 900 | 0 | $ 0
Europe [Member] |  |  |  |  |
Goodwill, Acquired During Period |  |  | 129,649 | 0 |
UNITED STATES |  |  |  |  |
Goodwill, Acquired During Period |  |  | 151,276 | $ 0 |
Acquired 3D Hubs [Member] |  |  |  |  |
Goodwill, Acquired During Period |  |  | $ 280,900 |  |
Acquired 3D Hubs [Member] | Europe [Member] |  |  |  |  |
Goodwill, Acquired During Period | € |  | € 106.5 |  |  |
Acquired 3D Hubs [Member] | UNITED STATES |  |  |  |  |
Goodwill, Acquired During Period | $ 151,300 |  |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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- Definition Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580 + Details
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