Description	12 Months Ended
Sep. 30, 2015
Accounting Policies [Abstract]
Description	1. Description SurModics, Inc. and subsidiaries (“SurModics” or “the Company”) is a leading provider of medical device and in vitro diagnostic technologies to the healthcare industry. The Company derives its revenue from three primary sources: (1) royalties and license fees from licensing its proprietary drug delivery and surface modification technologies and in vitro diagnostic formats to customers; (2) the sale of reagent chemicals to licensees and the sale of stabilization products, antigens, substrates and surface coatings to the diagnostic and biomedical research markets; and (3) research and development fees generated on customer projects. Effective with the acquisition of Creagh Medical Ltd. (“Creagh”) on November 20, 2015, and subsequent to the fiscal year end 2015, the Company will be engaged in contract research and development, as well as manufacturing of balloon catheters used in a variety of interventional cardiology applications. Basis of Presentation The consolidated financial statements include all accounts and wholly-owned subsidiaries, and have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S.”) (“GAAP”). All inter-company transactions have been eliminated.

1. Description

SurModics, Inc. and subsidiaries (“SurModics” or “the Company”) is a leading provider of medical device and in vitro diagnostic technologies to the healthcare industry. The Company derives its revenue from three primary sources: (1) royalties and license fees from licensing its proprietary drug delivery and surface modification technologies and in vitro diagnostic formats to customers; (2) the sale of reagent chemicals to licensees and the sale of stabilization products, antigens, substrates and surface coatings to the diagnostic and biomedical research markets; and (3) research and development fees generated on customer projects.

Effective with the acquisition of Creagh Medical Ltd. (“Creagh”) on November 20, 2015, and subsequent to the fiscal year end 2015, the Company will be engaged in contract research and development, as well as manufacturing of balloon catheters used in a variety of interventional cardiology applications.

Basis of Presentation

The consolidated financial statements include all accounts and wholly-owned subsidiaries, and have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S.”) (“GAAP”). All inter-company transactions have been eliminated.