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Organization and Description of Business and Accounting Policies - Summary of Estimated Sales Return (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Jan. 01, 2021
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Accounting Policies [Abstract] |  |  |
Estimated returns - inventory | [1] | $ 814 | $ 1,041
Allowance for sales returns |  | $ 4,816 | $ 4,532
[1] | Recognized in inventories, net on the Consolidated Balance Sheets

X
- Definition Amount of inventory estimated to be returned from the buyer. + References No definition available. + Details
Name: | staa_EstimatedReturnInventoryValue
Namespace Prefix: | staa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition A allowance for the amount of products sold that the entity expects to be returned by the purchaser recorded as current liabilities + References No definition available. + Details
Name: | staa_SalesReturnsValuationAllowance
Namespace Prefix: | staa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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