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FAIR VALUE MEASUREMENTS (Details) (USD $) | Mar. 30, 2013 | Dec. 29, 2012
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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

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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6475986&loc=d3e42546-110969 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Paragraph 38, 40 -IssueDate 2006-05-01 -Chapter 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Paragraph 80 -Subparagraph Exhibit 4-3 -IssueDate 2006-05-01 -Chapter 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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