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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
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%