v3.8.0.1

Schedule of Valuation and Qualifying Accounts | 12 Months Ended
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Sep. 30, 2017
Valuation And Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts | Surmodics, Inc. Valuation and Qualifying Accounts (In thousands)
Description |  | Balance at Beginning of Period |  |  | Additions Charged (Credited) to Expenses |  |  | Deductions From Reserves |  |  |  | Balance at End of Period |
Year Ended September 30, 2015: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 42 |  |  | $ | — |  |  | $ | 32 |  | (a) |  | $ | 10 |
Year Ended September 30, 2016: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 10 |  |  | $ | 9 |  |  | $ | — |  | (a) |  | $ | 19 |
Year Ended September 30, 2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 19 |  |  | $ | 222 |  |  | $ | 11 |  | (a) |  | $ | 230 |
(a)Uncollectible accounts written off and adjustments to the allowance.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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- References No definition available. + Details
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