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CONTRACT ASSETS AND LIABILITIES (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jun. 25, 2022	Jul. 01, 2023	Jun. 25, 2022
Contract Assets And Liabilities
Change in net contract assets			$ 415,541
Contract with customer, liability, revenue recognized	$ 100,000	$ 2,900,000	600,000	$ 200,000
Revenue, remaining performance obligation, amount	$ 14,600,000		$ 14,600,000

X

- Definition

Contract with customer assets liability cumulative catchup adjustment to revenue modification of contract.

+ References

No definition available.

+ Details

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Namespace Prefix:	KOPN_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	KOPN_DisclosureContractAssetsAndLiabilitiesAbstract
Namespace Prefix:	KOPN_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-8

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-13

+ Details

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