2.4.0.8136 - Disclosure - Summary of Significant Accounting Policies (Details Textual)truefalsefalse1false USDfalsefalse$P05_01_2011To05_31_2011http://www.sec.gov/CIK0001415684duration2011-05-01T00:00:002011-05-31T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$P04_01_2012To06_30_2012http://www.sec.gov/CIK0001415684duration2012-04-01T00:00:002012-06-30T00:00:00sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$P01_01_2013To06_30_2013http://www.sec.gov/CIK0001415684duration2013-01-01T00:00:002013-06-30T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USD_per_ShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$P01_01_2012To12_31_2012http://www.sec.gov/CIK0001415684duration2012-01-01T00:00:002012-12-31T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USD_per_ShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false USDfalsefalseP01_01_2011To12_31_2011http://www.sec.gov/CIK0001415684duration2011-01-01T00:00:002011-12-31T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170$6false USDfalsefalse$PAsOn05_05_2011http://www.sec.gov/CIK0001415684instant2011-05-05T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1false 4us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse81733568173356USD$falsetruefalse4truefalsefalse1172120511721205USD$falsetruefalse5truefalsefalse93590739359073USD$falsetruefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetarySum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.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 210.5-02.19,20) -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 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 false2Accounts payable and accrued liabilities2false 4mslp_ShippingAndHandlingDescriptionmslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00Until March 1, 2013 MusclePharm used a manufacturer from Tennessee to ship directly to our customers, and after that date MusclePharm took control of the shipping and began shipping product to our customers from a previously leased 152,000 square foot distribution center in Franklin, Tennessee in close proximity of our manufacturer.falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringIt represents the description of shipping and handling.No definition available.false0Shipping and Handling Description3false 4mslp_PercentageOfRoyaltyBasedNetIncomemslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse0.10.1falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsenum:percentItemTypepurePercentage of royalty based bet income.No definition available.false0Percentage Of Royalty Based Net Income4false 4us-gaap_LicenseCostsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse250000250000USD$falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryCosts incurred and are directly related to generating license revenue. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 false2License Costs5false 4mslp_StockOptionExercisedPricePerSharemslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse425425USD$falsetruefalse4truefalsefalse425425USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsenum:perShareItemTypedecimalRepresenting stock option exercised price per share.No definition available.false3Stock Option Exercised Price Per Share (in dollars per share)6false 4mslp_MinimumWarrantsExercisedPricePerSharemslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse44USD$falsetruefalse4truefalsefalse12.7512.75USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsenum:perShareItemTypedecimalRepresenting stock warrant exercised price per share.No definition available.false3Minimum Warrants Exercised Price Per Share (in dollars per share)7false 4mslp_MaximumWarrantsExercisedPricePerSharemslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse12751275USD$falsetruefalse4truefalsefalse12751275USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsenum:perShareItemTypedecimalRepresenting stock warrant exercised price per share.No definition available.false3Maximum Warrants Exercised Price Per Share (in dollars per share)8false 4mslp_MaximumConvertibleDebtExercisedPricePerSharemslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1717USD$falsetruefalse4truefalsefalse1717USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsenum:perShareItemTypedecimalRepresenting convertible debt exercised price per share.No definition available.false3Maximum Convertible Debt Exercised Price Per Share (in dollars per share)9false 4us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleDescriptionus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00In May 2011, the Financial Accounting Standards Board issued Accounting Standards Update (ASU) No. 2011-04 Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in GAAP and IFRS. ASU 2011-04 includes common requirements for measurement of and disclosure about fair value between GAAP and the International Financial Reporting Standards (IFRS). ASU 2011-04 requires reporting entities to disclose additional information for fair value measurements categorized within Level 3 of the fair value hierarchy. In addition, ASU 2011-04 requires reporting entities to make disclosures about amounts and reasons for all transfers in and out of Level 1 and Level 2 fair value measurements. The new and revised disclosures are effective for interim and annual reporting periods beginning after December 15, 2011. This pronouncement has been implemented in the Companys financial statements for the year ended December 31, 2012 without impact.falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringDisclosure related to a new accounting pronouncement or a change in accounting principle, including the nature and reason for the change and the effect of the change on prior periods and the current period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Retrospective Application -URI http://asc.fasb.org/extlink&oid=6523989 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28359718&loc=d3e22583-107794 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 01 -Paragraph b -Subparagraph 6 -Article 10 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28359718&loc=d3e22499-107794 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28359718&loc=d3e22580-107794 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Direct Effects of a Change in Accounting Principle -URI http://asc.fasb.org/extlink&oid=6510796 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Indirect Effects of a Change in Accounting Principle -URI http://asc.fasb.org/extlink&oid=6515603 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accounting Change -URI http://asc.fasb.org/extlink&oid=6503790 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Change in Accounting Principle -URI http://asc.fasb.org/extlink&oid=6507316 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 11.M) -URI http://asc.fasb.org/extlink&oid=26874127&loc=d3e31137-122693 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section M Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.10-01.(b)(6)) -URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699 false0New Accounting Pronouncement or Change in Accounting Principle, Description10false 4mslp_PercentageOfTotalRevenuemslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truetruefalse0.030.03falsefalsefalse4truetruefalse0.120.12falsefalsefalse5truetruefalse0.140.14falsefalsefalse6falsefalsefalse00falsefalsefalsenum:percentItemTypepureRepresenting percentage of total revenue.No definition available.false0Percentage Of Total Revenue11false 4us-gaap_ConcentrationRiskPercentage1us-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truetruefalse0.450.45falsefalsefalse5truetruefalse0.550.55falsefalsefalse6falsefalsefalse00falsefalsefalsenum:percentItemTypepureFor an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 false0Concentration Risk, Percentage12false 4us-gaap_InterestExpenseDebtus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2truefalsefalse349349USD$falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of the cost of borrowed funds accounted for as interest expense for debt.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 false2Interest Expense, Debt13false 4us-gaap_DerivativeGainOnDerivativeus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2truefalsefalse94490509449050USD$falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of increase in the fair value of derivatives recognized in the income statement.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 false2Derivative, Gain on Derivative14false 4mslp_IncrementalWarrantsAttributableToConversionOfDebtSecuritiesmslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2truefalsefalse625028625028falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesAdditional warrants included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.No definition available.false1Incremental Warrants Attributable To Conversion Of Debt Securities15false 4us-gaap_CashFDICInsuredAmountus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse378000378000USD$falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.No definition available.false2Cash, FDIC Insured Amount16false 4us-gaap_IndefiniteLivedLicenseAgreementsus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6truefalsefalse250000250000USD$falsefalsefalsexbrli:monetaryItemTypemonetaryCarrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 false2Indefinite-Lived License Agreements17false 4us-gaap_IncomeTaxExaminationLikelihoodOfUnfavorableSettlementus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00the Company recognizes the effect of income tax positions only if those positions are more likely than not to be sustained. Recognized income tax positions are measured at the largest amount that is greater than 50% likely to be realized.falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringThe likelihood that the uncertain tax position will not be sustained as a result of the examination by the taxing authority.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 false0Income Tax Examination, Likelihood of Unfavorable Settlement18false 4mslp_MinimumConvertibleDebtExercisedPricePerSharemslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse1.701.70USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsenum:perShareItemTypedecimalRepresents the minimum convertible debt exercised price per share.No definition available.false3Minimum Convertible debt Exercised price per share (in dollar per share)19false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7false truefalseP01_01_2012To12_31_2012_BodybuildingMemberusgaapRelatedPartyTransactionsByRelatedPartyAxishttp://www.sec.gov/CIK0001415684duration2012-01-01T00:00:002012-12-31T00:00:00falsefalseBodybuilding [Member]us-gaap_RelatedPartyTransactionsByRelatedPartyAxisxbrldihttp://xbrl.org/2006/xbrldimslp_BodybuildingMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepurexbrli0nanafalse0Bodybuilding [Member]20false 4us-gaap_ConcentrationRiskPercentage1us-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truetruefalse0.330.33falsefalsefalse5truetruefalse0.410.41falsefalsefalse6falsefalsefalse00falsefalsefalsenum:percentItemTypepureFor an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 false0Concentration Risk, Percentage21false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse9false truefalseP01_01_2012To12_31_2012_GncMemberusgaapRelatedPartyTransactionsByRelatedPartyAxishttp://www.sec.gov/CIK0001415684duration2012-01-01T00:00:002012-12-31T00:00:00falsefalseGnc [Member]us-gaap_RelatedPartyTransactionsByRelatedPartyAxisxbrldihttp://xbrl.org/2006/xbrldimslp_GncMemberus-gaap_RelatedPartyTransactionsByRelatedPartyAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepurexbrli0nanafalse0Gnc [Member]22false 4us-gaap_ConcentrationRiskPercentage1us-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truetruefalse0.120.12falsefalsefalse5truetruefalse0.140.14falsefalsefalse6falsefalsefalse00falsefalsefalsenum:percentItemTypepureFor an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 false0Concentration Risk, Percentage23false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse11false USDtruefalse$P01_01_2012To12_31_2012_SeriesCConvertiblePreferredStockMemberusgaapStatementClassOfStockAxishttp://www.sec.gov/CIK0001415684duration2012-01-01T00:00:002012-12-31T00:00:00falsefalseSeries C Convertible Preferred Stock [Member]us-gaap_StatementClassOfStockAxisxbrldihttp://xbrl.org/2006/xbrldimslp_SeriesCConvertiblePreferredStockMemberus-gaap_StatementClassOfStockAxisexplicitMemberUSD_per_ShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$nanafalse0Series C Convertible Preferred Stock [Member]24false 4mslp_ConvertibleDebtExercisedPricePerSharemslp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse8.508.50USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsenum:perShareItemTypedecimalRepresenting convertible debt exercised price per share.No definition available.false3Convertible Debt Exercised Price Per Share (in dollars per share)25false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse12false USDtruefalse$PAsOn06_30_2013_ManufacturerMembermslpAccountsPayableAndAccruedLiabilitiesAxishttp://www.sec.gov/CIK0001415684instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseManufacturer [Member]mslp_AccountsPayableAndAccruedLiabilitiesAxisxbrldihttp://xbrl.org/2006/xbrldimslp_ManufacturerMembermslp_AccountsPayableAndAccruedLiabilitiesAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Manufacturer [Member]26false 4us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse42133944213394USD$falsetruefalse4truefalsefalse42245624224562USD$falsetruefalse5truefalsefalse21002142100214USD$falsetruefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetarySum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.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 210.5-02.19,20) -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 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 false2Accounts payable and accrued liabilitiesfalseSummary of Significant Accounting Policies (Details Textual) (USD $)NoRoundingNoRoundingNoRoundingUnKnowntruefalsefalseSheethttp://www.musclepharm.com/role/SummaryOfSignificantAccountingPoliciesDetailsTextual626