XML 18 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Commitments and Contingencies (Details Textual) (USD $) | 12 Months Ended
--- | ---
Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011
Commitments and Contingencies (Textual) [Abstract] |  |  |
Lease renewal period | 6 years |  |
Rent expense | $ 600,000 | $ 600,000 | $ 600,000
Annual minimum purchase commitment | 750,000 |  |
Purchases made under agreement | 134,000 |  |
Purchase agreement, termination terms | The agreement, which terminates on July 2017, is renewable at the end of the term for successive one year terms. |  |
Royalties pay equivalent to Percentage of sales | 5.00% |  |
Royalty expense | $ 100,000 | $ 100,000 | $ 200,000
Early termination date of certain license agreement | 2018 |  |
Late termination date of certain license agreement | 2021 |  |

X
- Definition Amount of purchases made under agreement. + References No definition available. + Details
Name: | irix_AmountOfPurchasesMadeUnderAgreement
Namespace Prefix: | irix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | irix_CommitmentsAndContingenciesTextualAbstract
Namespace Prefix: | irix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Early termination year of license agreement. + References No definition available. + Details
Name: | irix_EarlyTerminationYearOfLicenseAgreement
Namespace Prefix: | irix_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Late termination year of license agreement. + References No definition available. + Details
Name: | irix_LateTerminationYearOfLicenseAgreement
Namespace Prefix: | irix_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating lease additional lease period. + References No definition available. + Details
Name: | irix_OperatingLeaseAdditionalLeasePeriod
Namespace Prefix: | irix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of royalty paid on net sales. + References No definition available. + Details
Name: | irix_PercentageOfRoyaltyPaidOnNetSales
Namespace Prefix: | irix_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
Name: | us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Describes the terms of a significant arrangement with a supplier (excluding an unconditional purchase obligation) to acquire goods or services over a period of time beyond one year or the normal operating cycle, if longer, which may include identification of the goods or services to be purchased, pricing, effects on pricing of failing to reach minimum quantities required to be purchased, cancellation rights, and termination provisions. + References No definition available. + Details
Name: | us-gaap_LongTermPurchaseCommitmentDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34039-112682 + Details
Name: | us-gaap_OperatingLeasesRentExpenseMinimumRentals
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_RoyaltyExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration