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CONTRACT ASSETS AND LIABILITIES (Details Narrative) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Contract Assets And Liabilities
Net contract assets	$ 2.3
Contract with customer, liability, revenue recognized	0.3	$ 0.5
Revenue, remaining performance obligation, amount	$ 31.1

X

- References

No definition available.

+ Details

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

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- Definition

Net contract assets.

+ References

No definition available.

+ Details

Name:	KOPN_NetContractAssets
Namespace Prefix:	KOPN_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

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Balance Type:	credit
Period Type:	duration

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- 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

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