| Pro Forma Financial Information (Detail) (Mirror Image International Holdings Pvt Ltd, USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 
|---|---|
| Jul. 30, 2013 | |
| Mirror Image International Holdings Pvt Ltd | |
| Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] | |
| Revenues | $ 5,617 | 
| Cost of goods sold | 3,640 | 
| Gross profit | 1,977 | 
| Operating expenses | 6,215 | 
| Loss from operations | (4,238) | 
| Non-operating expense | 1,600 | 
| Loss before provision for income taxes | (5,838) | 
| Provision for income taxes | (135) | 
| Net loss | $ (5,703) | 
| Basic and diluted loss per share | $ (0.30) | 
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- Definition Business Acquisition, Pro Forma, Cost of Goods Sold No definition available. 
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- Definition Business Acquisition Pro Forma Earnings Per Share Basic And Diluted No definition available. 
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- Definition Business Acquisition, Pro Forma Gross Profit No definition available. 
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- Definition Business Acquisition, Pro Forma, Income Before Taxes No definition available. 
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- Definition Business Acquisition, Pro Forma Operating Income (Loss) No definition available. 
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- Definition Business Acquisitions, Pro Forma, Income Tax Expense (Benefit) No definition available. 
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- Definition Business Acquisitions, Pro Forma, Nonoperating Income (Expense) No definition available. 
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- Definition Business Acquisitions, Pro Forma, Operating Expenses No definition available. 
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- Details 
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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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