XML 24 R71.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Business Segments and Customers - Revenue Information by Geographic Region (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 03, 2015 | Dec. 28, 2013 | Dec. 29, 2012
Revenues From External Customers And Long Lived Assets [Line Items] |  |  |
Total revenues | $ 42,814 us-gaap_Revenues | $ 38,273 us-gaap_Revenues | $ 33,859 us-gaap_Revenues
United States |  |  |
Revenues From External Customers And Long Lived Assets [Line Items] |  |  |
Total revenues | 22,590 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US | 21,043 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US | 18,496 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_US
Europe |  |  |
Revenues From External Customers And Long Lived Assets [Line Items] |  |  |
Total revenues | 9,096 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 7,345 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 7,468 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Rest of Americas |  |  |
Revenues From External Customers And Long Lived Assets [Line Items] |  |  |
Total revenues | 3,199 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = irix_RestOfAmericasMember | 3,309 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = irix_RestOfAmericasMember | 2,335 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = irix_RestOfAmericasMember
Asia/Pacific Rim |  |  |
Revenues From External Customers And Long Lived Assets [Line Items] |  |  |
Total revenues | $ 7,929 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember | $ 6,576 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember | $ 5,560 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + 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 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=irix_RestOfAmericasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_AsiaPacificMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |