XML 78 R43.htm IDEA: XBRL DOCUMENT v3.20.1

Fair Value Measurement - Quantitative Information about the Inputs and Valuation Methodologies Used for Fair Value Measurements (Details) - Fair Value Measurements Recurring - Earn Out Liability $ in Thousands	Dec. 29, 2018 USD ($)
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Liabilities, Fair Value Measurements	$ 334
Level 3
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Liabilities, Fair Value Measurements	$ 334
Valuation Technique, Earn-out liability	us-gaap:ValuationTechniqueDiscountedCashFlowMember
Level 3 | Discounted Cash Flow | Weighted Average
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Weighted Average, Projected royalties	$ 1,245
Discount Rate | Level 3 | Weighted Average
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Weighted Average, Discount rate	10.33
Discount Rate | Level 3 | Minimum
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Weighted Average, Discount rate	10.20
Discount Rate | Level 3 | Maximum
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Weighted Average, Discount rate	27.00

X

- Definition

Fair value inputs projected royalties amount.

+ References

No definition available.

+ Details

Name:	irix_FairValueInputsProjectedRoyaltiesAmount
Namespace Prefix:	irix_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_DerivativeLiabilityMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Indicates valuation technique for measuring derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_DerivativeLiabilityValuationTechniqueExtensibleList
Namespace Prefix:	us-gaap_
Data Type:	srt-types:extensibleListItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByLiabilityClassAxis=irix_EarnOutLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ValuationTechniqueAxis=irix_DiscountedCashFlowMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: