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Property, Plant and Equipment, Net - Schedule of Depreciation Expense and Loss on Disposal of Property, Plant and Equipment (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 30, 2022 | Dec. 31, 2021 | Jan. 01, 2021
Property Plant And Equipment [Abstract] |  |  |
Depreciation expense | $ 4,321 | $ 3,525 | $ 2,801
Loss on disposal of property, plant and equipment | $ 65 | $ 2 | $ 213

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- Definition Depreciation on property plant and equipment. + References No definition available. + Details
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Namespace Prefix: | staa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration