XML 60 R50.htm IDEA: XBRL DOCUMENT v3.10.0.1

Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	$ 2,027	$ 807	$ 4,926	$ 2,185
Employee stock options [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	1,197	443	2,713	1,204
Restricted stock [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	82	50	192	136
Restricted stock units [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	501	314	1,593	845
Nonemployee stock options [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation	$ 247	$ 0	$ 428	$ 0

X

- Definition

Line items represent the schedule of employee service share-based compensation.

+ References

No definition available.

+ Details

Name:	staa_ScheduleOfEmployeeServiceSharebasedCompensationLineItems
Namespace Prefix:	staa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ 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 (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=staa_NonemployeeStockOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: