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Geographic and Product Data (Details Textual)	Sep. 28, 2012
Number of Countries in which Entity Operates	60
Segment Sales To Consolidated Sales Percentage	5.00%
Ophthalmic Surgical Product [Member]
Segment Sales To Consolidated Sales Percentage	100.00%

X

- Definition

The percentage of segment sales to consolidated sales percentage.

+ References

No definition available.

+ Details

Name:	staa_SegmentSalesToConsolidatedSalesPercentage
Namespace Prefix:	staa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant