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Quarterly Results of Operations (Unaudited) - Summary of Unaudited Quarterly Financial Data (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net revenues | $ 55,258 | $ 55,091 | $ 46,865 | $ 41,946 | $ 50,424 | $ 52,948 | $ 55,467 | $ 59,668 | $ 199,160 | $ 218,507 | $ 252,968
Gross margin | 23,431 | 22,980 | 18,461 | 16,607 | 20,125 | 22,953 | 24,106 | 24,467 | 81,479 | 91,651 | 106,694
Consolidated net income (loss) | (13,020) | (898) | (4,600) | (4,986) | (4,663) | 280 | 244 | 341 | (23,504) | (3,798) | 9,309
Net income attributable to noncontrolling interest | 82 | 34 | 16 | 4 | 151 | 89 | 24 | 15 | 136 | 279 | 466
Net income (loss) attributable to Vicor Corporation | $ (13,102) | $ (932) | $ (4,616) | $ (4,990) | $ (4,814) | $ 191 | $ 220 | $ 326 | $ (23,640) | $ (4,077) | $ 8,843
Net income (loss) per share attributable to Vicor Corporation: |  |  |  |  |  |  |  |  |  |  |
Basic and diluted | $ (0.34) | $ (0.02) | $ (0.12) | $ (0.12) | $ (0.12) |  | $ 0.01 | $ 0.01 | $ (0.60) | $ (0.10) |

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