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Other Current Liabilities - Schedule of Other Current Liabilities (Parenthetical) (Details) | Dec. 31, 2021 | Jan. 01, 2021
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Other Liabilities Disclosure [Abstract] |  |
Percent of Other Current Liabilities Included in Other | 5.00% | 5.00%

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- Definition Percent of other current liabilities included in other. + References No definition available. + Details
Name: | staa_PercentOfOtherCurrentLiabilitiesIncludedInOther
Namespace Prefix: | staa_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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