Description	12 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]
Description	1. Description Surmodics, Inc. and subsidiaries (“Surmodics,” the “Company,” “we,” “us,” “our” and other like terms) is a leading provider of surface modification technologies for intravascular medical devices and chemical components for in vitro diagnostic (“IVD”) immunoassay tests and microarrays. Surmodics is pursuing development and commercialization of highly differentiated medical devices that are designed to address unmet clinical needs and engineered to the most demanding requirements. This key growth strategy leverages the combination of the Company’s expertise in proprietary surface technologies, along with enhanced device design, development, and manufacturing capabilities. The Company mission remains to improve the detection and treatment of disease. Surmodics is headquartered in Eden Prairie, Minnesota. 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 U.S. (“GAAP”). All intercompany transactions have been eliminated. The Company operates on a fiscal year ending on September 30. The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent liabilities at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Ultimate results could differ from those estimates. Certain reclassifications have been made to the prior year's consolidated financial statements to conform to the current year presentation.

Description

12 Months Ended

Sep. 30, 2021

1. Description

Surmodics, Inc. and subsidiaries (“Surmodics,” the “Company,” “we,” “us,” “our” and other like terms) is a leading provider of surface modification technologies for intravascular medical devices and chemical components for in vitro diagnostic (“IVD”) immunoassay tests and microarrays. Surmodics is pursuing development and commercialization of highly differentiated medical devices that are designed to address unmet clinical needs and engineered to the most demanding requirements. This key growth strategy leverages the combination of the Company’s expertise in proprietary surface technologies, along with enhanced device design, development, and manufacturing capabilities. The Company mission remains to improve the detection and treatment of disease. Surmodics is headquartered in Eden Prairie, Minnesota.

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 U.S. (“GAAP”). All intercompany transactions have been eliminated. The Company operates on a fiscal year ending on September 30.

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent liabilities at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Ultimate results could differ from those estimates.

Certain reclassifications have been made to the prior year's consolidated financial statements to conform to the current year presentation.