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SCHEDULE OF SATISFACTION OF PERFORMANCE OBLIGATION (Details)	3 Months Ended		6 Months Ended
	Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021
Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenue percentage	17.00%	36.00%	18.00%	33.00%
Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Revenue percentage	83.00%	64.00%	82.00%	67.00%

X

- Definition

Revenue percentage from products and services transferred customers.

+ References

No definition available.

+ Details

Name:	KOPN_RevenuePercentagefromProductsandServicesTransferredCustomers
Namespace Prefix:	KOPN_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: