XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.25.1

Summary of Significant Accounting Policies - Reconciliation of Changes in Deferred Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2024 | Dec. 30, 2023
Reconciliation of the changes in the Company's deferred revenue balance |  |
Balance, beginning of period | $ 12,429 | $ 14,153
Additions to deferral | 1,177 | 1,417
Revenue recognized | (3,080) | (3,141)
Balance, end of period | $ 10,526 | $ 12,429

X
- Definition Contract with customer liability additions. + References No definition available. + Details
Name: | irix_ContractWithCustomerLiabilityAdditions
Namespace Prefix: | irix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Contract with customer liability revenue recognized including additions. + References No definition available. + Details
Name: | irix_ContractWithCustomerLiabilityRevenueRecognizedIncludingAdditions
Namespace Prefix: | irix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInDeferredRevenueRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration