XML 26 R42.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Other Assets and Amounts Due to / Due From Affiliates (Non-Marketable Securities - Equity Method Investments) (Details) (USD $) | 3 Months Ended | 12 Months Ended | 9 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 27, 2014 | Sep. 27, 2014 | Jun. 28, 2014 | Mar. 29, 2014 | Dec. 28, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 27, 2014 | Dec. 28, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Sep. 29, 2012 | Mar. 14, 2013 | Jan. 16, 2013
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity losses in unconsolidated affiliates |  |  |  |  |  |  |  |  | $ (386,442)us-gaap_IncomeLossFromEquityMethodInvestments | $ (625,098)us-gaap_IncomeLossFromEquityMethodInvestments | $ (679,587)us-gaap_IncomeLossFromEquityMethodInvestments |  |  |  |
Summarized Financial Information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current assets | 99,924,620 us-gaap_AssetsCurrent |  |  |  | 119,608,002 us-gaap_AssetsCurrent |  |  |  | 99,924,620 us-gaap_AssetsCurrent | 119,608,002 us-gaap_AssetsCurrent |  |  |  |  |
Current liabilities | 13,242,924 us-gaap_LiabilitiesCurrent |  |  |  | 11,239,102 us-gaap_LiabilitiesCurrent |  |  |  | 13,242,924 us-gaap_LiabilitiesCurrent | 11,239,102 us-gaap_LiabilitiesCurrent |  |  |  |  |
Revenues | 10,637,000 us-gaap_Revenues | 9,532,000 us-gaap_Revenues | 6,943,000 us-gaap_Revenues | 4,695,000 us-gaap_Revenues | 5,550,000 us-gaap_Revenues | 4,950,000 us-gaap_Revenues | 6,079,000 us-gaap_Revenues | 6,319,000 us-gaap_Revenues | 31,807,465 us-gaap_Revenues | 22,897,709 us-gaap_Revenues | 34,641,860 us-gaap_Revenues |  |  |  |
Loss from operations |  |  |  |  |  |  |  |  | (28,474,725)us-gaap_OperatingIncomeLoss | (35,927,691)us-gaap_OperatingIncomeLoss | (20,570,894)us-gaap_OperatingIncomeLoss |  |  |  |
Net loss |  |  |  |  |  |  |  |  | (28,670,789)us-gaap_ProfitLoss | (5,606,016)us-gaap_ProfitLoss | (18,994,272)us-gaap_ProfitLoss |  |  |  |
Due from Employees, Current | 140,000 us-gaap_DueFromEmployeesCurrent |  |  |  |  |  |  |  | 140,000 us-gaap_DueFromEmployeesCurrent |  |  |  |  |  |
Other than Temporary Impairment Losses, Investments |  |  |  |  |  |  |  |  | 2,500,000 us-gaap_ImpairmentOfInvestments |  |  |  |  |  |
Notes, Loans and Financing Receivable, Gross, Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,000,000 us-gaap_NotesAndLoansReceivableGrossNoncurrent
Business Acquisition Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Other Investments |  |  |  |  |  |  |  |  |  | 1,600,000 us-gaap_PaymentsToAcquireOtherInvestments / us-gaap_BusinessAcquisitionAxis = kopn_BusinessAcquisitionTwoMember | 1,000,000 us-gaap_PaymentsToAcquireOtherInvestments / us-gaap_BusinessAcquisitionAxis = kopn_BusinessAcquisitionTwoMember |  |  |  |
Intoware |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  | 25.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_BusinessAcquisitionAxis = kopn_IkanosMember |  |  |  |  |  | 25.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_BusinessAcquisitionAxis = kopn_IkanosMember |  |  |
Purchase price |  |  |  |  |  |  |  |  |  |  |  | 700,000 us-gaap_PaymentsToAcquireEquityMethodInvestments / us-gaap_BusinessAcquisitionAxis = kopn_IkanosMember |  |  |
Payments to Acquire Interest in Subsidiaries and Affiliates |  |  |  |  |  |  |  |  |  |  |  |  | 2,500,000 us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / us-gaap_BusinessAcquisitionAxis = kopn_IkanosMember |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  | 58.00%kopn_SignificantShareholderOwnershipPercentage / us-gaap_BusinessAcquisitionAxis = kopn_IkanosMember |  |
Aurisound |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Summarized Financial Information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  | 1,800,000 us-gaap_PaymentsToAcquireIntangibleAssets / us-gaap_BusinessAcquisitionAxis = kopn_AurisoundMember |  |  |  |  |  |  |
KoBrite |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity losses in unconsolidated affiliates |  |  |  |  |  |  |  |  | (102,305)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | (406,811)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | (573,265)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |
Summarized Financial Information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current assets |  |  |  |  | 7,769,000 us-gaap_AssetsCurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |  | 7,769,000 us-gaap_AssetsCurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | 9,581,000 us-gaap_AssetsCurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |
Noncurrent assets |  |  |  |  | 10,663,000 us-gaap_AssetsNoncurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |  | 10,663,000 us-gaap_AssetsNoncurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | 12,701,000 us-gaap_AssetsNoncurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |
Current liabilities |  |  |  |  | 1,207,000 us-gaap_LiabilitiesCurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |  | 1,207,000 us-gaap_LiabilitiesCurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | 1,215,000 us-gaap_LiabilitiesCurrent / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 5,085,000 us-gaap_Revenues / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | 6,010,000 us-gaap_Revenues / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |
Margin loss |  |  |  |  |  |  |  |  |  | (2,501,000)kopn_GrossMarginOnNetSales / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | (2,732,000)kopn_GrossMarginOnNetSales / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |
Loss from operations |  |  |  |  |  |  |  |  |  | (6,114,000)us-gaap_OperatingIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | (4,938,000)us-gaap_OperatingIncomeLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |
Net loss |  |  |  |  |  |  |  |  |  | (5,526,000)us-gaap_ProfitLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember | (5,308,000)us-gaap_ProfitLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_KoBriteMember |  |  |  |
Intoware |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity losses in unconsolidated affiliates |  |  |  |  |  |  |  |  | 0 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_IkanosMember | 0 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_IkanosMember | (106,322)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_IkanosMember |  |  |  |
Ask Ziggy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity losses in unconsolidated affiliates |  |  |  |  |  |  |  |  | (284,137)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_AskZiggyMember | (218,287)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_AskZiggyMember | 0 us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = kopn_AskZiggyMember |  |  |  |
Deferred Compensation, Share-based Payments [Member] | Founder of Acquired Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Summarized Financial Information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Shares Issued |  |  |  |  |  | 400,000 us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DeferredCompensationShareBasedPaymentsMember / us-gaap_TitleOfIndividualAxis = kopn_FounderOfAcquiredCompanyMember |  |  |  |  |  |  |  |  |
Deferred Compensation, Share-based Payments [Member] | Founder of Acquired Company [Member] | Achievement of Certain Milestones |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Summarized Financial Information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Shares Issued |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued / us-gaap_BusinessAcquisitionAxis = kopn_AchievementOfCertainMilestonesMember / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DeferredCompensationShareBasedPaymentsMember / us-gaap_TitleOfIndividualAxis = kopn_FounderOfAcquiredCompanyMember |
Deferred Compensation, Share-based Payments [Member] | Founder of Acquired Company [Member] | Immediate Vesting |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Summarized Financial Information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Shares Issued |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued / us-gaap_BusinessAcquisitionAxis = kopn_ImmediateVestingMember / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = us-gaap_DeferredCompensationShareBasedPaymentsMember / us-gaap_TitleOfIndividualAxis = kopn_FounderOfAcquiredCompanyMember |
GCS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale Equity Securities, Amortized Cost Basis |  |  |  |  | 0 us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / invest_InvestmentIssuerAxis = kopn_GCSMember |  |  |  |  | 0 us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / invest_InvestmentIssuerAxis = kopn_GCSMember |  |  |  |  |
Investee | Ask Ziggy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale Equity Securities, Amortized Cost Basis |  |  |  |  | $ 0 us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / invest_InvestmentIssuerAxis = kopn_AskZiggyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_InvesteeMember |  |  |  |  | $ 0 us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / invest_InvestmentIssuerAxis = kopn_AskZiggyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_InvesteeMember |  |  |  |  |

X
- Definition Gross Margin on Net Sales + References No definition available. + Details
Name: | kopn_GrossMarginOnNetSales
Namespace Prefix: | kopn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Significant Shareholder Ownership Percentage + References No definition available. + Details
Name: | kopn_SignificantShareholderOwnershipPercentage
Namespace Prefix: | kopn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.9) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6801-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 9 -Article 5 + Details
Name: | us-gaap_AssetsCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.10-17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AssetsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of shares issued pursuant to the terms of a deferred compensation arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amounts due from an Entity employee, not to include stockholders or officers, which are usually due within 1 year (or 1 business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Subparagraph 1 -Article 4 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864 + Details
Name: | us-gaap_DueFromEmployeesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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 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 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + 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 320 -SubTopic 10 -Section 35 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560 + Details
Name: | us-gaap_ImpairmentOfInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.12) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.21) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 21 -Article 5 + Details
Name: | us-gaap_LiabilitiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) more than one year from the balance sheet date. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 + Details
Name: | us-gaap_NotesAndLoansReceivableGrossNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with other investments held by the entity for investment purposes not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireOtherInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | invest_InvestmentIssuerAxis=kopn_GCSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=kopn_AurisoundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=kopn_BusinessAcquisitionTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=kopn_IkanosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis=us-gaap_DeferredCompensationShareBasedPaymentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_InvesteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=kopn_AskZiggyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=kopn_IkanosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=kopn_KoBriteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |