XML 61 R36.htm IDEA: XBRL DOCUMENT v3.19.3

FAIR VALUE MEASUREMENTS (Details) - USD ($)	9 Months Ended
	Sep. 28, 2019	Dec. 29, 2018	Jun. 30, 2018
Fair Value Measurements [Line Items]
Financial instrument fair value	$ 35,045,620	$ 43,097,888
Level 1
Fair Value Measurements [Line Items]
Financial instrument fair value	9,083,016	14,614,373
Level 2
Fair Value Measurements [Line Items]
Financial instrument fair value	17,258,504	22,918,016
Level 3
Fair Value Measurements [Line Items]
Financial instrument fair value	8,704,100	5,565,499
Equity Investment One | Level 3
Fair Value Measurements [Line Items]
Unrealized Gain (Loss) on Securities	100,000
Financial instrument fair value	$ 3,500,000
Percentage Owned of an Equity Investment	11.40%
Cash and Cash Equivalents
Fair Value Measurements [Line Items]
Financial instrument fair value	$ 8,757,699	14,326,347
Cash and Cash Equivalents | Level 1
Fair Value Measurements [Line Items]
Financial instrument fair value	8,757,699	14,326,347
Cash and Cash Equivalents | Level 3
Fair Value Measurements [Line Items]
Financial instrument fair value	0	0
U.S. Government Securities
Fair Value Measurements [Line Items]
Financial instrument fair value	9,299,420	12,810,923
U.S. Government Securities | Level 1
Fair Value Measurements [Line Items]
Financial instrument fair value	0	0
U.S. Government Securities | Level 2
Fair Value Measurements [Line Items]
Financial instrument fair value	9,299,420	12,810,923
U.S. Government Securities | Level 3
Fair Value Measurements [Line Items]
Financial instrument fair value	0	0
Corporate debt
Fair Value Measurements [Line Items]
Financial instrument fair value	7,959,084	10,107,093
Corporate debt | Level 2
Fair Value Measurements [Line Items]
Financial instrument fair value	7,959,084	10,107,093
Corporate debt | Level 3
Fair Value Measurements [Line Items]
Financial instrument fair value	0	0
Equity Investments
Fair Value Measurements [Line Items]
Financial instrument fair value	9,029,417	5,853,525
Equity Investments | Level 1
Fair Value Measurements [Line Items]
Financial instrument fair value	325,317	288,026
Equity Investments | Level 2
Fair Value Measurements [Line Items]
Financial instrument fair value	0	0
Equity Investments | Level 3
Fair Value Measurements [Line Items]
Financial instrument fair value	8,704,100	$ 5,565,499
RealWear, Inc. | Level 3
Fair Value Measurements [Line Items]
Unrealized Gain (Loss) on Securities	800,000
Financial instrument fair value	$ 5,200,000
Percentage Owned of an Equity Investment			15.00%

X

- Definition

Fair Value Measurements [Line Items]

+ References

No definition available.

+ Details

Name:	kopn_FairValueMeasurementsLineItems
Namespace Prefix:	kopn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage Owned of an Equity Investment

+ References

No definition available.

+ Details

Name:	kopn_PercentageOwnedofanEquityInvestment
Namespace Prefix:	kopn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969

+ Details

Name:	us-gaap_FinancialInstrumentsOwnedAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of unrealized gain (loss) recognized in the income statement on unsold other securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

+ Details

Name:	us-gaap_UnrealizedGainLossOnSecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=kopn_EquityInvestmentOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=kopn_RealWearInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: