| Cover | Oct. 13, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 13, 2021 |
| Entity File Number | 000-53166 |
| Entity Registrant Name | MusclePharm Corporation |
| Entity Central Index Key | 0001415684 |
| Entity Tax Identification Number | 77-0664193 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 3753 Howard Hughes Parkway |
| Entity Address, Address Line Two | Ste 200-849 |
| Entity Address, City or Town | Las Vegas |
| Entity Address, State or Province | NV |
| Entity Address, Postal Zip Code | 89169 |
| City Area Code | (800) |
| Local Phone Number | 292-3909 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
