Percentage owned of an equity investment.

No definition available.

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Namespace Prefix:	KOPN_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Proceeds from medical benefits.

+ References

No definition available.

+ Details

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

- Definition

Shares owned of an equity security.

+ References

No definition available.

+ Details

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Namespace Prefix:	KOPN_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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Balance Type:	na
Period Type:	instant

- 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.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

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- Definition

Number of new stock issued during the period.

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+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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RELATED PARTY TRANSACTIONS (Details Narrative) - USD ($)		12 Months Ended
	Jan. 05, 2023	Dec. 28, 2024	Dec. 30, 2023	Mar. 29, 2025	Sep. 30, 2019
Related Party Transaction [Line Items]
Accounts receivable, related parties		$ 404,394		$ 735,397
Lightning Silicon Technology Inc [Member]
Related Party Transaction [Line Items]
Issuance of shares	18,000,000
LST Agreement [Member] \| Lightning Silicon Technology Inc [Member]
Related Party Transaction [Line Items]
Issuance of shares	18,000,000
Solos [Member]
Related Party Transaction [Line Items]
Shares owned of an equity security					1,172,000
Percentage owned of an equity investment					20.00%
Solos [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Accounts receivable, related parties		30,000		0
HMDmd, Inc. [Member]
Related Party Transaction [Line Items]
Accounts receivable, related parties		$ 279,150		$ 663,457
Number of warrants to purchase preferred stock		300,000		300,000
John C.C. Fan [Member]
Related Party Transaction [Line Items]
Severance payments		$ 750,000	$ 750,000
Proceeds from medical benefits		40,000	$ 40,000
John C.C. Fan [Member] \| Through 2032 [Member]
Related Party Transaction [Line Items]
Proceeds from medical benefits		$ 40,000