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Other Assets and Amounts Due to / from Affiliates - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2012 | Jun. 25, 2011 | Jun. 30, 2012 | Jun. 25, 2011 | Dec. 31, 2011
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Gain (Loss) on sale of investments |  | $ 368,641 | $ 856,170 | $ 368,641 |
Additional investment |  |  | 2,249,784 |  |
Accounts receivable, related parties | 2,036,859 |  | 2,036,859 |  | 1,340,788
License fees from the sale of patents | 0 | 200,000 | 0 | 200,000 |
Noncontrolling Interest |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Company's ownership percentage | 25.00% |  | 25.00% |  |
Additional investment |  |  | 2,000,000 |  |
Ownership Increases in Subsidiaries, Affiliates |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Company's ownership percentage | 10.00% |  | 10.00% |  |
Additional investment |  |  | 2,000,000 |  |
Business Acquisition One |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Company's ownership percentage | 25.00% |  | 25.00% |  |
Purchase of equity method investment |  |  | 700,000 |  |
Business Acquisition Two |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Purchase of equity method investment |  |  | 1,000,000 |  |
Additional investment |  |  | 2,000,000 |  |
Subsidiaries | Business Acquisition One |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Company's ownership percentage | 51.00% |  | 51.00% |  |
Additional investment |  |  | 2,500,000 |  |
Minimum | Business Acquisition Two |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Company's ownership percentage | 5.00% |  | 5.00% |  |
Maximum | Business Acquisition Two |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Company's ownership percentage | 17.50% |  | 17.50% |  |
WIN Semiconductor Corporation |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investment, fair market value | 1,600,000 |  | 1,600,000 |  | 1,700,000
Investment, adjusted cost basis | 0 |  | 0 |  | 0
Number of shares sold in WIN | 500,000 |  | 500,000 |  |
Gain (Loss) on sale of investments |  |  | 900,000 |  |
Ko Brite |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Company's ownership percentage | 12.00% |  | 12.00% |  |
Carrying value of the investment | 2,100,000 |  | 2,100,000 |  |
Advanced Wireless Semiconductor Company |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investment, fair market value | 2,500,000 |  | 2,500,000 |  | 1,600,000
Investment, adjusted cost basis | 700,000 |  | 700,000 |  | 700,000
Accounts receivable, related parties | 2,000,000 |  | 2,000,000 |  | 1,100,000
Advanced Wireless Semiconductor Company | Minimum |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Directors and officers, percent of investment in AWSC | 0.10% |  | 0.10% |  |
Advanced Wireless Semiconductor Company | Maximum |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Directors and officers, percent of investment in AWSC | 0.50% |  | 0.50% |  |
Other related parties |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Accounts receivable, related parties | $ 100,000 |  | $ 100,000 |  | $ 200,000

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