XML 78 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Fair Value Measurement (Details 1) (Level 3, Discounted Cash Flow, USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 29, 2013
Quantitative information about the inputs and valuation methodologies used for fair value measurements |
Fair Value, Earn-out liability | $ 545
Valuation Technique, Earn-out liability | Discounted cash flow
Weighted Average, Projected royalties | 1,513
Weighted Average, Discount rate | 21.91%
Minimum |
Quantitative information about the inputs and valuation methodologies used for fair value measurements |
Weighted Average, Projected royalties | 414
Weighted Average, Discount rate | 20.69%
Maximum |
Quantitative information about the inputs and valuation methodologies used for fair value measurements |
Weighted Average, Projected royalties | $ 1,775
Weighted Average, Discount rate | 27.00%

X
- Definition Earn out liability fair value disclosure. + References No definition available. + Details
Name: | irix_EarnOutLiabilityFairValueDisclosure
Namespace Prefix: | irix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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
- Details
Name: | us-gaap_FairValueInputsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueInputsDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the inputs and valuation technique(s) used to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementsValuationTechniques
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration