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Summary Of Significant Accounting Policies (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 30, 2013 | Mar. 31, 2012 | Mar. 30, 2013 Minimum [Member] | Mar. 30, 2013 Maximum [Member] | Mar. 30, 2013 Original Equipment Manufacturer [Member] Maximum [Member] | Mar. 31, 2012 Original Equipment Manufacturer [Member] Maximum [Member] | Dec. 31, 2011 International Business Machines [Member] | Dec. 31, 2011 Hewlett-Packard Company [Member]
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Net sales | $ 5,963,000 | $ 13,967,000 |  |  | $ 20,000 | $ 20,000 |  |
FDIC insured cash and cash equivalents | 800,000 |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  | 3 years | 7 years |  |  |  |
Product warranty period |  |  | 1 year | 3 years |  |  |  |
Marketing Expense |  |  |  |  |  |  | 200,000 | 1,000,000
Accrued Marketing Costs, Current | $ 800,000 |  |  |  |  |  |  |

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for the marketing, trade and selling of the entity's goods and services. Marketing costs would include expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services; costs of public relations and corporate promotions; and obligations incurred and payable for sales discounts, rebates, price protection programs, etc. offered to customers and under government programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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- Definition Expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs. + 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 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + 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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