XML 72 R59.htm IDEA: XBRL DOCUMENT
v3.21.1

Stockholders' Equity - Stock Options Outstanding and Exercisable (Details) - $ / shares | 12 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019
Stock options outstanding and exercisable |  |
Options Outstanding, Weighted Average Exercise Price | $ 7.23 | $ 9.20
Range One |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 1.70 |
Range of Exercise Prices, Upper Range Limit | $ 2.12 |
Options Outstanding, Number of Shares | 32,400 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 6 years 3 days |
Options Outstanding, Weighted Average Exercise Price | $ 1.85 |
Options Vested and Exercisable, Number of Shares Exercisable | 5,018 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 1.82 |
Range Two |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 2.13 |
Range of Exercise Prices, Upper Range Limit | $ 2.13 |
Options Outstanding, Number of Shares | 434,950 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 6 years 8 months 1 day |
Options Outstanding, Weighted Average Exercise Price | $ 2.13 |
Range Three |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 2.18 |
Range of Exercise Prices, Upper Range Limit | $ 4.33 |
Options Outstanding, Number of Shares | 174,200 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 5 years 8 months 23 days |
Options Outstanding, Weighted Average Exercise Price | $ 2.75 |
Options Vested and Exercisable, Number of Shares Exercisable | 41,016 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 3.12 |
Range Four |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 4.60 |
Range of Exercise Prices, Upper Range Limit | $ 4.85 |
Options Outstanding, Number of Shares | 30,000 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 5 years 3 months 10 days |
Options Outstanding, Weighted Average Exercise Price | $ 4.73 |
Options Vested and Exercisable, Number of Shares Exercisable | 12,813 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 4.72 |
Range Five |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 4.92 |
Range of Exercise Prices, Upper Range Limit | $ 4.92 |
Options Outstanding, Number of Shares | 600,000 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 5 years 4 months 17 days |
Options Outstanding, Weighted Average Exercise Price | $ 4.92 |
Options Vested and Exercisable, Number of Shares Exercisable | 237,500 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 4.92 |
Range Six |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 4.98 |
Range of Exercise Prices, Upper Range Limit | $ 8.29 |
Options Outstanding, Number of Shares | 168,100 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 4 years 4 months 9 days |
Options Outstanding, Weighted Average Exercise Price | $ 5.76 |
Options Vested and Exercisable, Number of Shares Exercisable | 98,921 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 5.94 |
Range Seven |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 8.33 |
Range of Exercise Prices, Upper Range Limit | $ 11.16 |
Options Outstanding, Number of Shares | 174,428 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 2 years 1 month 24 days |
Options Outstanding, Weighted Average Exercise Price | $ 9.67 |
Options Vested and Exercisable, Number of Shares Exercisable | 162,989 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 9.69 |
Range Eight |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 12.85 |
Range of Exercise Prices, Upper Range Limit | $ 12.85 |
Options Outstanding, Number of Shares | 15,000 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 2 years 9 months 21 days |
Options Outstanding, Weighted Average Exercise Price | $ 12.85 |
Options Vested and Exercisable, Number of Shares Exercisable | 15,000 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 12.85 |
Range Nine |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 14.61 |
Range of Exercise Prices, Upper Range Limit | $ 14.61 |
Options Outstanding, Number of Shares | 20,000 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 3 years 2 months 4 days |
Options Outstanding, Weighted Average Exercise Price | $ 14.61 |
Options Vested and Exercisable, Number of Shares Exercisable | 18,751 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 14.61 |
Range Ten |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 16.29 |
Range of Exercise Prices, Upper Range Limit | $ 16.29 |
Options Outstanding, Number of Shares | 462 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 2 years 6 months 21 days |
Options Outstanding, Weighted Average Exercise Price | $ 16.29 |
Options Vested and Exercisable, Number of Shares Exercisable | 462 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 16.29 |
Range Eleven |  |
Stock options outstanding and exercisable |  |
Range of Exercise Prices, Lower Range Limit | 1.70 |
Range of Exercise Prices, Upper Range Limit | $ 16.29 |
Options Outstanding, Number of Shares | 1,649,540 |
Options Outstanding, Weighted Average Remaining Contractual Life (years) | 5 years 3 months 7 days |
Options Outstanding, Weighted Average Exercise Price | $ 4.67 |
Options Vested and Exercisable, Number of Shares Exercisable | 592,470 |
Options Vested and Exercisable, Weighted Average Exercise Price | $ 6.76 |

X
- Definition Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Abstract] + References No definition available. + Details
Name: | irix_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeAbstract
Namespace Prefix: | irix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=irix_RangeElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |