Exercise price per share or per unit of warrants or rights outstanding.

No definition available.

Name:	stxs_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	stxs_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Earnings before interest and depreciation and amortization revolving credit convenant.

+ References

No definition available.

+ Details

Name:	stxs_EarningsBeforeInterestAndDepreciationAndAmortizationRevolvingCreditConvenant
Namespace Prefix:	stxs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

+ Details

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

When presenting a range of interest rates, the lowest effective rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (c)(a)

-URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998

+ Details

Name:	us-gaap_MinimumNetWorthRequiredForCompliance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

Name:	us-gaap_RatioOfIndebtednessToNetCapital1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

Long-Term Debt And Credit Facilities (Revolving Line Of Credit) (Narrative) (Details) (USD $)				3 Months Ended											3 Months Ended
	Mar. 31, 2014	May 31, 2012	Mar. 31, 2014 Revolving Line Of Credit [Member]	Mar. 31, 2014 May 10, 2012 Amendment [Member] Revolving Line Of Credit [Member]	Mar. 31, 2014 March 2013 Amendment [Member] Revolving Line Of Credit [Member]	Mar. 31, 2014 March 2013 Amendment [Member] Revolving Line Of Credit [Member] Guarantees Provided By Lenders [Member]	Mar. 31, 2014 June 2013 Amendment [Member] Revolving Line Of Credit [Member]	Mar. 31, 2014 June 2013 Amendment [Member] Revolving Line Of Credit [Member] Guarantees Provided By Lenders [Member]	Mar. 31, 2014 July 2013 Amendment [Member] Revolving Line Of Credit [Member]	Mar. 31, 2014 July 2013 Amendment [Member] Revolving Line Of Credit [Member] Guarantees Provided By Lenders [Member]	Mar. 31, 2014 August 2013 Amendment [Member] Revolving Line Of Credit [Member]	Dec. 31, 2013 August 2013 Amendment [Member] Revolving Line Of Credit [Member]	Sep. 30, 2013 August 2013 Amendment [Member] Revolving Line Of Credit [Member]	Mar. 31, 2014 August 2013 Amendment [Member] Revolving Line Of Credit [Member] Guarantees Provided By Lenders [Member]	Mar. 31, 2014 March 2014 Amendment [Member] Revolving Line Of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 13,000,000	$ 3,000,000	$ 6,000,000	$ 3,000,000		$ 3,000,000	$ 3,000,000			$ 0	$ 10,000,000
Debt maturity date				Mar. 31, 2013	Jun. 30, 2013	Jun. 30, 2013	Jul. 31, 2013	Jul. 31, 2013	Aug. 31, 2013	Aug. 31, 2013	Mar. 31, 2014				Mar. 31, 2015
Interest rate added to prime rate					1.75%	0.50%
Accrued interest on facility, floor					7.00%	6.00%
Earnings before interest and depreciation and amortization revolving credit convenant												(3,000,000)	(4,000,000)
Warrants	2,863,074				113,636		48,387		14,313
Exercise price of warrants		$ 3.361			$ 1.98		$ 1.55		$ 5.24
Tangible net worth requirement															(21,000,000)
Liquidity ratio											2				1.75
Line of credit facility, amount outstanding			0
Current borrowing capacity			6,200,000
Line of credit, current availability			$ 6,200,000