2.4.0.841203 - Disclosure - Fair Value Measurements (Summary Of Changes In The Fair Value Of The Company's Level 3 Financial Asset And Liabilities) (Details)truefalsefalse1false USDfalsefalse$Duration_1_1_2013_To_6_30_2013http://www.sec.gov/CIK0001289340duration2013-01-01T00:00:002013-06-30T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3stxs_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItemsstxs_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]2false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValueus-gaap_truedebitinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse17361736[1]USD$falsetruefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Assets, Balance at beginning of period3false 4stxs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRevaluationstxs_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-1657-1657USD$falsefalsefalsexbrli:monetaryItemTypemonetaryRevaluations that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.No definition available.false2Assets, Revaluation4false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValueus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse7979USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Assets, Balance at end of period5false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse29683482968348[1]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Balance at beginning of period6false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlementsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-1631-1631USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Settlements7false 4stxs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityRevaluationsstxs_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-1497675-1497675USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, RevaluationsNo definition available.false2Liabilities, Revaluations8false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse14690421469042USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Balance at end of period9false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2false USDtruefalse$Duration_1_1_2013_To_6_30_2013_us-gaap_FairValueByLiabilityClassAxis_stxs_WarrantsIssuedDecember292008Memberhttp://www.sec.gov/CIK0001289340duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseWarrants Issued December 29, 2008 [Member]us-gaap_FairValueByLiabilityClassAxisxbrldihttp://xbrl.org/2006/xbrldistxs_WarrantsIssuedDecember292008Memberus-gaap_FairValueByLiabilityClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Warrants Issued December 29, 2008 [Member]10true 3stxs_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItemsstxs_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]11false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse7158171581[1]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Balance at beginning of period12false 4stxs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityRevaluationsstxs_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-64582-64582USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, RevaluationsNo definition available.false2Liabilities, Revaluations13false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse69996999USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Balance at end of period14false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse3false USDtruefalse$Duration_1_1_2013_To_6_30_2013_us-gaap_FairValueByLiabilityClassAxis_stxs_WarrantsIssuedMay102012Memberhttp://www.sec.gov/CIK0001289340duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseWarrants Issued May 10, 2012 [Member]us-gaap_FairValueByLiabilityClassAxisxbrldihttp://xbrl.org/2006/xbrldistxs_WarrantsIssuedMay102012Memberus-gaap_FairValueByLiabilityClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Warrants Issued May 10, 2012 [Member]15true 3stxs_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItemsstxs_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]16false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse23479022347902[1]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Balance at beginning of period17false 4stxs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityRevaluationsstxs_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-987795-987795USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, RevaluationsNo definition available.false2Liabilities, Revaluations18false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse13601071360107USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Balance at end of period19false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse4false USDtruefalse$Duration_1_1_2013_To_6_30_2013_us-gaap_FairValueByLiabilityClassAxis_us-gaap_DerivativeFinancialInstrumentsLiabilitiesMemberhttp://www.sec.gov/CIK0001289340duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseDerivative Liability [Member]us-gaap_FairValueByLiabilityClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_DerivativeFinancialInstrumentsLiabilitiesMemberus-gaap_FairValueByLiabilityClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Derivative Liability [Member]20true 3stxs_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItemsstxs_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]21false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse548865548865[1]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Balance at beginning of period22false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlementsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-1631-1631USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Settlements23false 4stxs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityRevaluationsstxs_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-445298-445298USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, RevaluationsNo definition available.false2Liabilities, Revaluations24false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValueus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse101936101936USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Liabilities, Balance at end of period25false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse5false USDtruefalse$Duration_1_1_2013_To_6_30_2013_us-gaap_FairValueByAssetClassAxis_us-gaap_DerivativeFinancialInstrumentsAssetsMemberhttp://www.sec.gov/CIK0001289340duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseDerivative Asset [Member]us-gaap_FairValueByAssetClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_DerivativeFinancialInstrumentsAssetsMemberus-gaap_FairValueByAssetClassAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Derivative Asset [Member]26true 3stxs_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItemsstxs_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Fair Value, Assets And Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]27false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValueus-gaap_truedebitinstantfalsefalsefalsefalsefalsetruefalsefalseperiodStartLabel1truefalsefalse17361736[1]USD$falsefalsefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Assets, Balance at beginning of period28false 4stxs_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRevaluationstxs_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-1657-1657USD$falsefalsefalsexbrli:monetaryItemTypemonetaryRevaluations that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.No definition available.false2Assets, Revaluation29false 4us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValueus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsetruefalseperiodEndLabel1truefalsefalse7979USD$falsetruefalsexbrli:monetaryItemTypemonetaryFair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 false2Assets, Balance at end of period1Derivative AssetTotal AssetsWarrants issued December 29, 2008Warrants issued May 2012Derivative LiabilityTotal LiabilitiesBalance at beginning of period$       1,736$       1,736$                71,581$           2,347,902$      548,865$   2,968,348 Settlements--- - (1,631)($1,631) Revaluation(1,657)(1,657)(64,582)(987,795)(445,298)(1,497,675)Balance at end of period$            79$            79$                  6,999$           1,360,107$      101,936$   1,469,042falseFair Value Measurements (Summary Of Changes In The Fair Value Of The Company's Level 3 Financial Asset And Liabilities) (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.stereotaxis.com/role/DisclosureFairValueMeasurementsSummaryOfChangesInFairValueOfCompanySLevel3FinancialAssetAndLiabilitiesDetails129