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Note 1 - Nature of Business | 12 Months Ended
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Dec. 31, 2022
Notes to Financial Statements |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | Note 1 — Nature of Business Organization and business Proto Labs, Inc. and its subsidiaries (Proto Labs, the Company, we, us, or our) is a digital manufacturer of custom prototypes and on-demand production parts. The Company utilizes injection molding, computer numerical control (CNC) machining, 3D printing and sheet metal fabrication to manufacture custom parts for its customers. The Company's customers conduct nearly all of their business over the internet. The Company targets its products to the millions of product developers and engineers who use three-dimensional computer-aided design (3D CAD) software to design products across a diverse range of end-markets. In addition, the Company serves procurement and supply chain professionals seeking to manufacture custom parts on-demand. The Company has established operations in the United States, Europe and Japan. The Company believes the United States and Europe are two of the largest geographic markets where product developers and engineers are located. On May 27, 2022, the Company's board of directors approved a plan for the closure of the Company's manufacturing facility in Japan and announced an intention to cease operations in the region. Through the acquisition of Hubs in 2021, the Company is able to provide its customers access to a global network of premium manufacturing partners who reside across North America, Europe and Asia, complementing its in-house manufacturing. Proto Labs, Inc. is headquartered in Maple Plain, Minnesota. The Company’s subsidiaries are:
| Name |  |  | Location
| PL-US International LLC |  |  | United States
| Hubs Manufacturing Inc. |  |  |  | United States |
| 3D Hubs Manufacturing LLC |  |  |  | United States |
| Proto Labs Ltd. |  |  | United Kingdom
| PL International Holdings, UK, Ltd. |  |  | United Kingdom
| PL Euro Services Limited |  |  | United Kingdom
| Proto Labs GmbH |  |  | Germany
| Proto Labs Tooling GmbH |  |  | Germany
| 3D Hubs B.V. |  |  |  | Netherlands |
| Proto Labs, G.K. |  |  | Japan

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