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Commitments and Contingencies (Details Textual) (USD $) In Millions, unless otherwise specified	Jun. 29, 2012
Accrued Termination Benefit Cost	$ 0.4
Severance Payable	$ 1.5

X

- Definition

Carrying value as of the balance sheet date of accrued termination benefit cost.

+ References

No definition available.

+ Details

Name:	staa_AccruedTerminationBenefitCost
Namespace Prefix:	staa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The total severance which is expected to be paid to the employees.

+ References

No definition available.

+ Details

Name:	staa_SeverancePayable
Namespace Prefix:	staa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant