Note 18 - Subsequent Events (Details Textual) - Acquired 3D Hubs [Member] - USD ($) $ in Millions		11 Months Ended
Jan. 22, 2021	Dec. 31, 2021
Forecast [Member] \| Maximum [Member]
Payments to Acquire Businesses, Gross		$ 25.0
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)		143,983
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 27.8
Subsequent Event [Member]
Business Combination, Consideration Transferred, Total	$ 294.4
Payments to Acquire Businesses, Gross	$ 127.7
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	863,995
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 166.7
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 52.8

Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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+ References

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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