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Supplemental Financial Information (Tables) | 3 Months Ended
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Mar. 30, 2013
Supplemental Financial Information [Abstract] |
Schedule Of Inventories |
|  | March 30, |  |  | December 29,
|  | 2013 |  |  | 2012
Raw materials | $ | 3,718 |  | $ | 4,544
Work in process |  | 873 |  |  | 70
Finished goods |  | 1,634 |  |  | 2,766
| $ | 6,225 |  | $ | 7,380
Schedule Of Warranty Liability Activity |
| Three Months Ended
|  | March 30, |  |  | March 31,
|  | 2013 |  |  | 2012
Beginning balance | $ | 235 |  | $ | 189
Estimated cost of warranty claims charged to cost of sales |  | 31 |  |  | 54
Cost of actual warranty claims |  | (14) |  |  | (42)
Ending balance |  | 252 |  |  | 201
Less current portion |  | (151) |  |  | (121)
Long-term warranty obligations | $ | 101 |  | $ | 80
Schedule Of Computation Of Net Loss Per Share |
| Three Months Ended |
|  | March 30, |  |  | March 31, |
|  | 2013 |  |  | 2012 |
Basic and diluted net loss per share: |  |  |  |  |  |
Numerator: Net loss | $ | (3,170) |  | $ | (1,081) |
Denominator: Weighted-average common shares outstanding, basic and diluted |  | 30,205 |  |  | 26,729 |
Basic and diluted net loss per share | $ | (0.10) |  | $ | (0.04) |
Schedule Of Potential Common Shares Excluded From The Diluted Net Loss Per Share Calculations |
|  | Three Months Ended |
|  | March 30, |  |  | March 31, |
|  | 2013 |  |  | 2012 |
Common share equivalents |  | 238 |  |  | 1,259 |
Schedules Of Concentration Of Risk, By Risk Factor |
| Three Months Ended |  |
| March 30, |  | March 31, |  |
| 2013 |  | 2012 |  |
Customer: |  |  |  |  |
Customer A | 24 | % | 85 | % |
Customer B | 18 | % | * |  |
Customer C | 10 | % | * |  |
Schedule Of Supplemental Disclosures Of Cash Flow Information And Non-Cash Investing And Financing Activities |
|  | Three Months Ended
|  |  | March 30, |  |  | March 31,
|  |  | 2013 |  |  | 2012
Supplemental disclosure of non-cash investing and financing activities: |  |  |  |  |  |
Debt financed acquisition of assets |  | $ | 240 |  | $ | 180
Change in unrealized gain (loss) from investments in marketable securities |  | $ | - |  | $ | 7
Contractual marketing funds due to collaboration partners |  | $ | - |  | $ | 800

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6442-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 21, 22, 23, 24, 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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