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ACQUISITION OF IKANOS and eMDT (Details) (USD $) | 6 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |  | 3 Months Ended | 6 Months Ended
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Jun. 29, 2013 | Jun. 30, 2012 | Jun. 29, 2013 eMDT | Mar. 31, 2012 Ikanos | Jun. 29, 2013 Ikanos | Jun. 30, 2012 Ikanos | Dec. 29, 2012 Ikanos | Jul. 10, 2012 Ikanos | Jun. 29, 2013 Ownership Increases in Subsidiaries, Affiliates Business Acquisition Two | Mar. 14, 2013 Ownership Increases in Subsidiaries, Affiliates Business Acquisition Two | Mar. 14, 2013 Noncontrolling Interest Business Acquisition Two | Jun. 29, 2013 Noncontrolling Interest Business Acquisition Two
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cumulative Percentage of Voting Interests Acquired |  |  | 51.00% | 25.00% |  |  |  |  |  |  |  |
Business Combination, Step Acquisition, Additional Equity Interest In Acquiree, Shares |  |  |  |  |  |  |  | 0.26 |  |  |  |
Business Combination, Consideration Transferred |  |  | $ 400,000 |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  | 25.00% |  |  |  | 10.00% | 25.00% |  | 25.00%
Payments to Acquire Investments | 2,750,278 | 2,249,784 |  |  |  |  |  |  |  |  | 200,000 | 2,000,000
Business Acquisition, Purchase Price Allocation, Goodwill Amount | 400,000 |  |  |  |  |  |  |  |  |  |  |
Kopin's ownership percentage |  |  |  |  |  |  | 51.00% |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  |  |  |  | 49.00% |  |  |  |  |
Business Acquisition, Pro Forma Information [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  | 7,325,000 | 12,603,000 | 18,771,000 |  |  |  |  |  |
Net (loss) income |  |  |  | $ (5,936,000) | $ 13,764,000 | $ (8,388,000) |  |  |  |  |  |

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- Definition Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 53 -Subparagraph d -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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