XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.20.2

Summary of Significant Accounting Policies - Additional Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 27, 2020 Customer | Jun. 29, 2019 Customer | Jun. 27, 2020 USD ($) Customer | Jun. 29, 2019 USD ($) Customer | Dec. 28, 2019 Customer
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Service contract warranty period |  |  | 1 year |  |
Service contract, period to determine nature of sale |  |  | 60 days |  |
Deferred revenue recognized | $ |  |  | $ 0.6 | $ 0.8 |
Products warranty period |  |  | 2 years |  |
Revenue, Total | Customer Concentration Risk |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers | 0 | 0 | 1 | 0 |
Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases |  |  | 10.00% |  | 10.00%
Percentage of accounts receivable accounted |  |  | 16.00% |  | 11.00%
Accounts Receivable | Credit Concentration Risk |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers |  |  |  |  | 1
Revenue, Total | Customer Concentration Risk |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases | 10.00% | 10.00% | 10.00% | 10.00% |
Percentage of revenues accounted |  |  | 12.00% |  |
Royalty Agreements |  |  |  |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of customers |  |  | 2 |  |

X
- Definition Disclosure summary of significant accounting policies. + References No definition available. + Details
Name: | irix_DisclosureSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | irix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of customers. + References No definition available. + Details
Name: | irix_NumberOfCustomers
Namespace Prefix: | irix_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of accounts receivable accounted. + References No definition available. + Details
Name: | irix_PercentageOfAccountsReceivableAccounted
Namespace Prefix: | irix_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of revenues accounted. + References No definition available. + Details
Name: | irix_PercentageOfRevenuesAccounted
Namespace Prefix: | irix_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Products warranty period. + References No definition available. + Details
Name: | irix_ProductsWarrantyPeriod
Namespace Prefix: | irix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Service contract threshold period to determine nature of sale. + References No definition available. + Details
Name: | irix_ServiceContractThresholdPeriodToDetermineNatureOfSale
Namespace Prefix: | irix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Service contract warranty period. + References No definition available. + Details
Name: | irix_ServiceContractWarrantyPeriod
Namespace Prefix: | irix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12A -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL108322424-203045 + Details
Name: | us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_RevenueFromContractWithCustomerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CreditConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_RoyaltyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |