Description of Business	3 Months Ended
Mar. 31, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Description of Business	Note 1. Description of Business Impinj, Inc. ("we", "us" or "our"), a Delaware corporation, is headquartered in Seattle, Washington. We enable wireless connectivity for everyday items, delivering each item’s unique identity, location and authenticity to business and consumer applications. Our platform spans endpoints, connectivity and software and provides wireless item connectivity and information delivery. We derive revenue from selling endpoint integrated circuits, or ICs, reader ICs, modules, readers, gateways and software as well as from development, service and license agreements. Our integrated platform connects billions of everyday items to applications, delivering real-time information to businesses about items they create, manage, transport and sell.

Description of Business

3 Months Ended

Mar. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Note 1. Description of Business

Impinj, Inc. ("we", "us" or "our"), a Delaware corporation, is headquartered in Seattle, Washington. We enable wireless connectivity for everyday items, delivering each item’s unique identity, location and authenticity to business and consumer applications. Our platform spans endpoints, connectivity and software and provides wireless item connectivity and information delivery. We derive revenue from selling endpoint integrated circuits, or ICs, reader ICs, modules, readers, gateways and software as well as from development, service and license agreements. Our integrated platform connects billions of everyday items to applications, delivering real-time information to businesses about items they create, manage, transport and sell.