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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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