XML 46 R35.htm IDEA: XBRL DOCUMENT v3.25.2

SCHEDULE OF FAIR VALUE MEASUREMENTS OF FINANCIAL ASSETS (Details) - USD ($)	Jun. 28, 2025	Dec. 28, 2024
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	$ 23,742,048	$ 35,056,964
Fair Value, Inputs, Level 1 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	20,824,171	14,287,538
Fair Value, Inputs, Level 2 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	2,917,877	20,769,426
Fair Value, Inputs, Level 3 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets
Cash and Cash Equivalents [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	20,168,080	12,438,130
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	20,168,080	11,592,842
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets		845,288
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets
U.S. Government and Agency Backed Securities [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	497,750	17,436,195
U.S. Government and Agency Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets		1,995,520
U.S. Government and Agency Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	497,750	15,440,675
U.S. Government and Agency Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets
Certificates of Deposit [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	2,420,127	4,483,463
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	2,420,127	4,483,463
Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets
Equity Investments [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	656,091	699,176
Equity Investments [Member] | Fair Value, Inputs, Level 1 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets	656,091	699,176
Equity Investments [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets
Equity Investments [Member] | Fair Value, Inputs, Level 3 [Member]
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]
Financial assets

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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://www.xbrl.org/2009/role/commonPracticeRef
-Topic 940
-SubTopic 320
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479035/940-320-45-2

+ Details

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

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

X

- Details

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

X

- Details

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

X

- Details

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