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Note 13 - Segment Reporting - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue	$ 121,721	$ 125,342	$ 372,791	$ 364,516
Injection Molding (Protomold) [Member]
Revenue	48,940	57,685	155,693	172,212
CNC Machining (Firstcut) [Member]
Revenue	47,489	43,658	141,809	121,953
3D Printing (Fineline) [Member]
Revenue	19,823	18,589	59,458	53,994
Sheet Metal [Member]
Revenue	5,219	4,854	15,066	14,790
Other Products [Member]
Revenue	$ 250	$ 556	$ 765	$ 1,567

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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