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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2013
Valuation And Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | VICOR CORPORATION SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS Years ended December 31, 2013, 2012 and 2011
Description |  | Balance at Beginning of Period |  |  | (Credit) Charge to Costs and Expenses |  |  | Other Charges, Deductions (1) |  |  | Balance at End of Period |
Allowance for doubtful accounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2013 |  | $ | 292,000 |  |  | $ | 255,000 |  |  | $ | (349,000 | ) |  | $ | 198,000 |
December 31, 2012 |  |  | 266,000 |  |  |  | 37,000 |  |  |  | (11,000 | ) |  |  | 292,000 |
December 31, 2011 |  |  | 309,000 |  |  |  | 18,000 |  |  |  | (61,000 | ) |  |  | 266,000 |
(1) | Reflects uncollectible accounts written off, net of recoveries.

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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 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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