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Revenues by Product Group (Detail) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 25, 2011 | Jun. 30, 2012 | Jun. 25, 2011
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 22,848,037 | $ 31,430,957 | $ 48,095,522 | $ 66,365,449
Display |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 7,012,000 | 15,425,000 | 17,878,000 | 32,798,000
III-V |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 15,836,000 | $ 16,006,000 | $ 30,218,000 | $ 33,567,000

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- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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