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Note 6 - Fair Value Measurements (Details Textual) - Acquired 3D Hubs [Member] - USD ($) $ in Thousands |  | 9 Months Ended | 11 Months Ended
--- | --- | --- | ---
Jan. 22, 2021 | Sep. 30, 2021 | Dec. 31, 2021
Payments to Acquire Businesses, Gross |  | $ 133,847 |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | 863,995 |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $ 166,700 | $ 166,709 |
Maximum [Member] | Forecast [Member] |  |  |
Payments to Acquire Businesses, Gross |  |  | $ 25,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) |  |  | 143,983
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  | $ 27,800

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
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