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v2.4.1.9

Goodwill and Intangibles (Details) (USD $) | 12 Months Ended | 3 Months Ended
--- | --- | ---
Dec. 27, 2014 | Dec. 28, 2013 | Dec. 29, 2012 | Dec. 28, 2013
Schedule of Finite-Lived Intangible Assets and Goodwill [Line Items] |  |  |  |
Other Intangible Assets, Net | $ 616,759 us-gaap_OtherIntangibleAssetsNet |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning Balance | 1,016,132 us-gaap_Goodwill | 684,789 us-gaap_Goodwill |  |
Additions |  | 395,713 us-gaap_GoodwillAcquiredDuringPeriod |  |
Disposals | (39,681)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit | (64,370)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit |  |
Ending Balance | 976,451 us-gaap_Goodwill | 1,016,132 us-gaap_Goodwill | 684,789 us-gaap_Goodwill | 1,016,132 us-gaap_Goodwill
Amortization of intangible assets due in next twelve months | 1,000,000 us-gaap_AmortizationOfIntangibleAssets | 300,000 us-gaap_AmortizationOfIntangibleAssets | 300,000 us-gaap_AmortizationOfIntangibleAssets |
Customer relationships |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Useful life of identifiable intangible assets | 7 years |  |  |
Developed technology |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Useful life of identifiable intangible assets | 7 years |  |  |
Trademark portfolio |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Useful life of identifiable intangible assets | 7 years |  |  |
FDD |  |  |  |
Schedule of Finite-Lived Intangible Assets and Goodwill [Line Items] |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) |  |  |  | 1,200,000 us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill / us-gaap_BusinessAcquisitionAxis = kopn_ForthDimensionDisplaysLimitedMember
Goodwill [Roll Forward] |  |  |  |
Goodwill impairment charge | 1,700,000 us-gaap_GoodwillImpairmentLoss / us-gaap_BusinessAcquisitionAxis = kopn_ForthDimensionDisplaysLimitedMember |  |  |
Intoware |  |  |  |
Schedule of Finite-Lived Intangible Assets and Goodwill [Line Items] |  |  |  |
Impairment of Intangible Assets (Excluding Goodwill) |  |  |  | $ 300,000 us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill / us-gaap_BusinessAcquisitionAxis = kopn_IkanosMember

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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