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FAIR VALUE MEASUREMENTS (Details) (USD $)
Mar. 30, 2013
Dec. 29, 2012
Level 1
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value $ 93,957,075 $ 47,887,310
Level 1 | Money Markets, Cash and Equivalents
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 38,851,936 27,135,387
Level 1 | U.S. Government Securities
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 51,997,652 17,576,878
Level 1 | Corporate Debt
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value      
Level 1 | Certificates of Deposit
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value      
Level 1 | WIN Semiconductor Corporation
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 1,429,020 1,410,388
Level 1 | Advanced Wireless Semiconductor Company
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 1,678,467 1,764,657
Level 2
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 46,615,065 47,773,084
Level 2 | Money Markets, Cash and Equivalents
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value      
Level 2 | U.S. Government Securities
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 23,031,018 21,006,078
Level 2 | Corporate Debt
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 9,283,221 11,095,227
Level 2 | Certificates of Deposit
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 14,300,826 15,671,779
Level 2 | WIN Semiconductor Corporation
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value      
Level 2 | Advanced Wireless Semiconductor Company
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value      
Level 3
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 0 0
Level 3 | Money Markets, Cash and Equivalents
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 0 0
Level 3 | U.S. Government Securities
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 0 0
Level 3 | Corporate Debt
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 0 0
Level 3 | Certificates of Deposit
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 0 0
Level 3 | WIN Semiconductor Corporation
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 0 0
Level 3 | Advanced Wireless Semiconductor Company
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 0 0
Estimate of Fair Value
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 140,572,140 95,660,394
Estimate of Fair Value | Money Markets, Cash and Equivalents
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 38,851,936 27,135,387
Estimate of Fair Value | U.S. Government Securities
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 75,028,670 38,582,956
Estimate of Fair Value | Corporate Debt
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 9,283,221 11,095,227
Estimate of Fair Value | Certificates of Deposit
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 14,300,826 15,671,779
Estimate of Fair Value | WIN Semiconductor Corporation
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value 1,429,020 1,410,388
Estimate of Fair Value | Advanced Wireless Semiconductor Company
   
Fair Value Measurements [Line Items]    
Financial Instruments, Owned, at Fair Value $ 1,678,467 $ 1,764,657