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Other Assets and Amounts Due to / Due From Affiliates (Marketable Equity Securities) (Details) (USD $)
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]      
Gain on sales of investments $ 1,899,291 $ 856,170 $ 368,641
Available-for-sale Securities, Fair Value Disclosure 95,972,535 65,349,962  
Advanced Wireless Semiconductor Company
     
Schedule of Available-for-sale Securities [Line Items]      
Proceeds from Sale of Available-for-sale Securities 1,200,000    
WIN Semiconductor Corporation
     
Schedule of Available-for-sale Securities [Line Items]      
Proceeds from Sale of Available-for-sale Securities 1,400,000    
Gain on sales of investments 900,000    
Available-for-sale Securities, Fair Value Disclosure   1,400,000  
Investment Sold, Not yet Purchased, Balance, Shares 500,000    
Available-for-sale Equity Securities, Amortized Cost Basis   0  
Investee
     
Schedule of Available-for-sale Securities [Line Items]      
Gain on sales of investments     1,900,000
Investee | Advanced Wireless Semiconductor Company
     
Schedule of Available-for-sale Securities [Line Items]      
Revenue from Related Parties 0 8,192,000 11,800,000
Available-for-sale Securities, Fair Value Disclosure   1,800,000  
Available-for-sale Equity Securities, Amortized Cost Basis   700,000  
Due from Related Parties   500,000  
Other Related Parties [Member]
     
Schedule of Available-for-sale Securities [Line Items]      
Due from Related Parties   $ 100,000