Related Parties (Details) (USD $)	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Lite On Semiconductor [Member]
Sales and Purchase Retated Parties [Line Items]
Related Party ownership of common stock	18.40%		18.40%
Percentage of net sales to related party	0.00%	1.00%	5.00%	7.00%
Net sales from related party	$ 894,000	$ 1,457,000	$ 1,846,000	$ 5,983,000
Purchased from related party	11,730,000	11,073,000	30,224,000	31,961,000
Related party receivable or payable [Abstract]
Accounts receivable	706,000		706,000
Accounts payable	7,843,000		7,843,000
Eris [Member]
Sales and Purchase Retated Parties [Line Items]
Purchased from related party	5,000,000	5,000,000	12,000,000	14,000,000
Related party receivable or payable [Abstract]
Accounts payable	6,408,000		6,408,000
Keylink [Member]
Sales and Purchase Retated Parties [Line Items]
Percentage of net sales to related party	1.00%	3.00%	1.00%	2.00%
Net sales from related party	5,898,000	4,235,000	7,102,000	11,977,000
Purchased from related party	3,222,000	3,059,000	9,102,000	8,232,000
Related Party Transaction Consulting Fees From Transactions With Related Party			13,000,000	11,000,000
Related party receivable or payable [Abstract]
Accounts receivable	6,320,000		6,320,000
Accounts payable	$ 7,412,000		$ 7,412,000

Related party ownership of common stock of the company

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- Definition

Consulting expense recognized during the period resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ Details

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- Definition

Related Party Transaction Revenues Percentage From Transactions With Related Party

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- Definition

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 2

-Subparagraph d

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph a

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph k

-Subparagraph 2

-Article 4

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph k

-Subparagraph 1

-Article 4

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 2

-Subparagraph d

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- Definition

Expenses recognized during the period resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 2

-Subparagraph c

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Revenues, net of returns and allowances, realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 2

-Subparagraph c

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