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Note 4 - Business Combinations - Allocation of Purchase Price for the Acquisition of Rapid (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 22, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Assets acquired: |  |  |  |
Goodwill |  | $ 398,319 |  | $ 400,610
Liabilities assumed: |  |  |  |
Net cash consideration |  | $ (0) | $ 127,709 |
Acquired 3D Hubs [Member] |  |  |  |
Assets acquired: |  |  |  |
Current assets |  |  |  | 2,497
Intangible assets |  |  |  | 30,770
Goodwill |  |  |  | 280,925
Other long-term assets |  |  |  | 1,139
Total assets acquired |  |  |  | 315,331
Liabilities assumed: |  |  |  |
Current contingent consideration |  |  |  | 7,093
Current liabilities |  |  |  | 5,666
Long-term contingent consideration |  |  |  | 6,507
Long-term deferred tax liabilities |  |  |  | 1,688
Other long-term liabilities |  |  |  | 255
Total liabilities assumed |  |  |  | 21,209
Net assets acquired |  |  |  | 294,122
Payments to Acquire Businesses, Gross |  |  |  | 133,847
Cash acquired |  |  |  | (6,434)
Net cash consideration | $ 127,400 |  |  | 127,413
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | 166,700 |  |  | 166,709
Total purchase consideration | $ 294,100 |  |  | $ 294,122

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- Definition The amount of liability arising from an inherited contingency (as defined) which has been recognized as of the acquisition date, classified as noncurrent. + References No definition available. + Details
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