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Business Combinations (Details) (USD $) | 12 Months Ended |  | 0 Months Ended | 3 Months Ended | 6 Months Ended |  |  | 0 Months Ended | 3 Months Ended |  |  |  | 3 Months Ended
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Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011 | Apr. 17, 2013 | Jul. 10, 2012 Ikanos | Mar. 31, 2012 Ikanos | Dec. 29, 2012 Ikanos | Dec. 28, 2013 Ikanos | Sep. 28, 2013 Ikanos | Jul. 10, 2012 Ikanos Customer relationships | Jul. 10, 2012 Ikanos Trade name | Apr. 17, 2013 eMDT | Dec. 28, 2013 eMDT | Jul. 10, 2012 As initially reported Ikanos | Jul. 10, 2012 As initially reported Ikanos Customer relationships | Jul. 10, 2012 As initially reported Ikanos Trade name | Apr. 17, 2013 Ownership Increases In Subsidiaries Affiliates Business Acquisition Two | Apr. 17, 2013 Noncontrolling Interest Business Acquisition Two
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative percentage of voting interests acquired |  |  |  |  |  | 25.00% |  |  |  |  |  | 51.00% |  |  |  |  |  |
Additional equity interest, number of shares acquired |  |  |  |  | 70,748 |  |  |  |  |  |  |  |  |  |  |  |  |
Kopin's ownership percentage |  |  |  |  |  |  |  | 58.00% |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  | 25.00% |  |  |  |  |  |  |  | 25.00% |
Payments to Acquire Investments | $ 3,583,611 | $ 2,249,784 | $ 1,980,609 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000
Business Acquisition, Purchase Price Allocation, Goodwill Amount |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase Price Allocation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  | 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Fair market value of Kopin's previously held equity methohd investment in Ikanos |  |  |  |  | 81,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price |  |  |  |  | 2,581,000 | 700,000 |  |  |  |  |  | 400,000 | 300,000 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and marketable securities |  |  |  |  | 2,594,000 |  |  |  |  |  |  |  |  | 2,594,000 |  |  |  |
Accounts receivable |  |  |  |  | 167,000 |  |  |  |  |  |  |  |  | 167,000 |  |  |  |
Property, plant and equipment |  |  |  |  | 277,000 |  |  |  |  |  |  |  |  | 277,000 |  |  |  |
Other identifiable assets |  |  |  |  | 111,000 |  |  |  |  |  |  |  |  | 111,000 |  |  |  |
Intangible assets |  |  |  |  |  |  |  |  |  | 400,000 | 170,000 |  |  |  | 0 | 0 |  |
Measurement period adjustments - intangible assets |  |  |  |  |  |  |  |  |  | 400,000 | 170,000 |  |  |  |  |  |  |
Goodwill | 1,016,132 | 684,789 | 1,664,457 |  | 685,000 |  |  |  |  |  |  |  |  | 1,141,000 |  |  |  |
Measurement period adjustments - goodwill |  |  |  |  | (456,000) |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable liabilities |  |  |  |  | (439,000) |  |  |  |  |  |  |  |  | (325,000) |  |  |  |
Measurement period adjustment, identifiable liabilities |  |  |  |  | (114,000) |  |  |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest in Ikanos |  |  |  |  | (1,384,000) |  |  |  |  |  |  |  |  | (1,384,000) |  |  |  |
Total |  |  |  |  | 2,581,000 |  |  |  |  |  |  |  |  | 2,581,000 |  |  |  |
Remeasurement loss on the Company's previous investment in Ikanos |  |  |  |  | 558,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss included in consolidated operations |  |  |  |  |  |  | (1,500,000) |  |  |  |  |  |  |  |  |  |  |
Revenue | 23,103,000 | 36,142,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | $ (4,670,000) | $ (18,805,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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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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- Definition This element represents the acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the acquiree, and the equity interests issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph f -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 39, 40 -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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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph r(1) -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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- Definition The amount of financial assets (as defined) recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=9154965&loc=d3e2207-128464 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph i -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 12, 13, 14, 20, A107 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -Glossary Financial Asset -URI http://asc.fasb.org/extlink&oid=6512957 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 6 -Subparagraph b -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 140 -Paragraph 364 -Appendix E + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph f -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 Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a (1) -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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