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Schedule II-Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2012
Schedule II-Valuation and Qualifying Accounts |
Schedule II-Valuation and Qualifying Accounts | Schedule II—Valuation and Qualifying Accounts Axcelis Technologies, Inc. (In thousands) Schedule II—Valuation and Qualifying Accounts Axcelis Technologies, Inc. (In thousands)
|  | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Deductions |  | Other(*) |  | Balance at End of Period |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Year Ended December 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and returns |  | $ | 411 |  | $ | — |  | $ | (112 | ) | $ | 6 |  | $ | 305 |
Reserve for excess and obsolete inventory |  |  | 22,778 |  |  | 14,492 |  |  | (4,819 | ) |  | 1,150 |  |  | 33,601 |
Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and returns |  | $ | 1,357 |  | $ | (535 | ) | $ | (449 | ) | $ | 38 |  | $ | 411 |
Reserve for excess and obsolete inventory |  |  | 27,517 |  |  | 1,015 |  |  | (5,583 | ) |  | (171 | ) |  | 22,778 |
Year Ended December 31, 2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and returns |  | $ | 2,390 |  | $ | (1,120 | ) | $ | (17 | ) | $ | 104 |  | $ | 1,357 |
Reserve for excess and obsolete inventory |  |  | 36,980 |  |  | 2,015 |  |  | (11,224 | ) |  | (254 | ) |  | 27,517 |
(*) Represents foreign currency translation adjustments.

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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 SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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