XML 50 R37.htm IDEA: XBRL DOCUMENT
v3.21.1

Summary of Significant Accounting Policies - Additional Information (Details) | 12 Months Ended
--- | ---
Jan. 02, 2021 USD ($) Customer | Dec. 28, 2019 USD ($) Customer
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |
Provision for sales returns | $ 0 | $ 264,000
Gross value of demos and loaners | 1,900,000 | 2,800,000
Accumulated amortization on inventory demos and loaners | $ 1,700,000 | 1,400,000
Estimated useful life of demos and loaners | 4 years |
Estimated useful lives of the assets | 3 years |
Extended product warranty period | 1 year |
Extended warranty, period to determine nature of sale | 60 days |
Deferred revenue recognized | $ 1,300,000 | 1,300,000
Products warranty period | 2 years |
Advertising and promotion costs | $ 100,000 | 300,000
Accrued interest and penalty incurred | $ 0 | $ 0
Revenue, Total | Customer Concentration Risk |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |
Number of customers | Customer | 0 | 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% |
Accounts Receivable | Credit Concentration Risk |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |
Number of customers | Customer | 1 | 1
Revenue Benchmark | 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 revenues accounted | 13.00% | 11.00%
Shipping and Handling |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |
Shipping and handling costs | $ 200,000 | $ 200,000
Royalty Agreements |  |
Disclosure Summary Of Significant Accounting Policies [Line Items] |  |
Number of customers | Customer | 2 |

X
- Definition Accumulated amortization on inventory demos and loaners. + References No definition available. + Details
Name: | irix_AccumulatedAmortizationOnInventoryDemosAndLoaners
Namespace Prefix: | irix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 Estimated useful life of demos and loaners. + References No definition available. + Details
Name: | irix_EstimatedUsefulLifeOfDemosAndLoaners
Namespace Prefix: | irix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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

X
- Definition Gross value of demos and loaners. + References No definition available. + Details
Name: | irix_GrossValueOfDemosAndLoaners
Namespace Prefix: | irix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 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 Provision for sales returns. + References No definition available. + Details
Name: | irix_ProvisionForSalesReturns
Namespace Prefix: | irix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
Name: | us-gaap_AdvertisingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
Name: | us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_ShippingAndHandlingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=us-gaap_RoyaltyArrangementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |