Capital leases settled through sale-leaseback transactions.

No definition available.

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

- Definition

Represents the interest rate will be increase in case of default.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of commission on outstanding notes payable during the payable.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Description of financing cost related to leases that have been recorded under the deposit method, as a financing or as a capital leases in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Sale Leaseback Transaction Net Proceeds Expiration Term.

+ References

No definition available.

+ Details

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Namespace Prefix:	staa_
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- Definition

Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Line-of-Credit Arrangement
-URI http://asc.fasb.org/extlink&oid=6517033

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for payments to acquire rented equipment which is recorded as an asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
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- Details

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Liabilities (Details Textual)			1 Months Ended		12 Months Ended
Liabilities (Details Textual)	Jun. 07, 2016 USD ($)	Jun. 12, 2014 USD ($)	Jan. 31, 2017 USD ($)	Jan. 30, 2017 USD ($)	Dec. 30, 2016 USD ($)	Dec. 30, 2016 JPY (¥)	Dec. 30, 2016 CHF (SFr)	Jan. 01, 2016 USD ($)	Jan. 01, 2016 JPY (¥)	Dec. 28, 2012 JPY (¥)
Line of Credit Facility, Maximum Borrowing Capacity \| ¥										¥ 500,000,000
Line Of Credit, Current					$ 4,283,000	¥ 500,000,000		$ 4,159,000	¥ 500,000,000
Line of Credit Facility, Current Borrowing Capacity							SFr 1,000,000	1,000,000
Interest Rate Increase In Case Of Default					14.00%
Percentage Of Commission On Outstanding Notes Payable					0.25%
Asset Retirement Obligations, Noncurrent, Total					$ 195,000			156,000
lease schedule 009R [Member] \| Subsequent Event [Member]
Payments to Acquire Equipment on Lease			$ 1,957,000
Sale Leaseback Transaction Net Proceeds Expiration Term			24 months
lease schedule 008R [Member]
Payments to Acquire Equipment on Lease		$ 964,612
Sale Leaseback Transaction Net Proceeds Expiration Term		36 months
Lease Line Of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity					1,957,000
Line of Credit Facility, Current Borrowing Capacity	$ 2,000,000				$ 43,000
Capital Leases Settled Through Sale Leaseback Transactions	$ 1,500,000
Lease Line Of Credit [Member] \| Subsequent Event [Member]
Line of Credit Facility, Maximum Borrowing Capacity				$ 2,000,000
Hardware Equipment [Member] \| lease schedule 009R [Member] \| Subsequent Event [Member]
Sale Leaseback Transaction, Imputed Interest Rate Term			3.94% per $1
Hardware Equipment [Member] \| lease schedule 008R [Member]
Sale Leaseback Transaction, Imputed Interest Rate Term		2.81% per $1
Hardware Equipment [Member] \| Lease Line Of Credit [Member]
Sale Leaseback Transaction, Imputed Interest Rate Term	3.94% per $1
Hardware Equipment [Member] \| Lease Line Of Credit [Member] \| Subsequent Event [Member]
Sale Leaseback Transaction, Imputed Interest Rate Term				3.94% per $1
Non-Hardware Equipment [Member] \| lease schedule 009R [Member] \| Subsequent Event [Member]
Sale Leaseback Transaction, Imputed Interest Rate Term			4.75% per $1
Non-Hardware Equipment [Member] \| lease schedule 008R [Member]
Sale Leaseback Transaction, Imputed Interest Rate Term		3.12% per $1
Non-Hardware Equipment [Member] \| Lease Line Of Credit [Member]
Sale Leaseback Transaction, Imputed Interest Rate Term	4.75% per $1
Non-Hardware Equipment [Member] \| Lease Line Of Credit [Member] \| Subsequent Event [Member]
Sale Leaseback Transaction, Imputed Interest Rate Term				4.75% per $1
Mizuho Bank [Member]
Line of Credit Facility, Interest Rate Description					approximately 0.12% as of December 30, 2016) plus a 0.50% spread, and may be renewed annually (the current line expires on November 21, 2017).
Foreign Exchange [Member]
Line Of Credit, Current					$ 4,300,000			$ 4,200,000