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Commitments and Contingencies and Other Matters (Details 5) | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |
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Dec. 31, 2011 Accounts Receivable Credit Concentration Risk | Dec. 31, 2011 Accounts Receivable Credit Concentration Risk Top Ten Customers customer | Dec. 31, 2010 Accounts Receivable Credit Concentration Risk Top Ten Customers | Dec. 31, 2010 Accounts Receivable Credit Concentration Risk Customer A | Dec. 31, 2011 Accounts Receivable Credit Concentration Risk Customer A | Dec. 31, 2011 Accounts Receivable Credit Concentration Risk Customer B | Dec. 31, 2010 Accounts Receivable Credit Concentration Risk Customer B | Dec. 31, 2011 Accounts Receivable Credit Concentration Risk Customer C | Dec. 31, 2010 Accounts Receivable Credit Concentration Risk Customer C | Dec. 31, 2011 Accounts Receivable Credit Concentration Risk Customer D | Dec. 31, 2010 Accounts Receivable Credit Concentration Risk Customer D | Dec. 31, 2011 Accounts Receivable Credit Concentration Risk Customer E | Dec. 31, 2010 Accounts Receivable Credit Concentration Risk Customer E | Dec. 31, 2011 Accounts Receivable Credit Concentration Risk LED And Solar | Dec. 31, 2010 Accounts Receivable Credit Concentration Risk LED And Solar | Dec. 31, 2011 Accounts Receivable Credit Concentration Risk Data Storage | Dec. 31, 2010 Accounts Receivable Credit Concentration Risk Data Storage | Dec. 31, 2011 Accounts Receivable Country Concentration Risk | Dec. 31, 2010 Accounts Receivable Country Concentration Risk | Dec. 31, 2011 Net Sales Customer Concentration Risk | Dec. 31, 2010 Net Sales Customer Concentration Risk Customer A | Dec. 31, 2009 Net Sales Customer Concentration Risk Customer A | Dec. 31, 2011 Net Sales Customer Concentration Risk Customer A | Dec. 31, 2009 Net Sales Customer Concentration Risk Customer B | Dec. 31, 2011 Net Sales Customer Concentration Risk Customer B | Dec. 31, 2010 Net Sales Customer Concentration Risk Customer B | Dec. 31, 2011 Net Sales Customer Concentration Risk Customer C | Dec. 31, 2010 Net Sales Customer Concentration Risk Customer C | Dec. 31, 2009 Net Sales Customer Concentration Risk Customer C | Dec. 31, 2011 Net Sales Customer Concentration Risk Customer D | Dec. 31, 2009 Net Sales Customer Concentration Risk Customer D | Dec. 31, 2010 Net Sales Customer Concentration Risk Customer D | Dec. 31, 2011 Net Sales Customer Concentration Risk Customer E | Dec. 31, 2010 Net Sales Customer Concentration Risk Customer E | Dec. 31, 2009 Net Sales Customer Concentration Risk Customer E
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of top customers |  | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of total accounts receivable from top customers |  | 79.00% | 80.00% |  |  |  |  |  |  |  |  |  |  | 58.00% | 62.00% | 19.00% | 18.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum percentage of the Company's net sales or total accounts receivable required for qualification as major customer | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk (as a percent) |  |  |  |  | 33.00% |  | 26.00% |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  | 11.00% |  | 12.00% | 12.00% |  | 17.00% | 27.00% |  |  | 12.00% |  |  | 10.00%
Threshold percentage for disclosure |  |  |  | 10.00% |  | 10.00% |  | 10.00% |  | 10.00% | 10.00% | 10.00% | 10.00% |  |  |  |  | 10.00% | 10.00% |  | 10.00% | 10.00% |  | 10.00% |  |  | 10.00% |  |  | 10.00% | 10.00% |  | 10.00% | 10.00% |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6947722&loc=d3e13537-108611 Reference 3: 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=6947722&loc=d3e13531-108611 Reference 4: 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 + Details
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