XML 56 R46.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Significant Customer and Other Information (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2023
Net Sales [Member] | Customer Concentration Risk [Member] | Customer A [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 34.00% | 36.00% | 35.00% | 38.00% |
Net Sales [Member] | Customer Concentration Risk [Member] | Customer C [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 26.00% | 21.00% | 27.00% | 22.00% |
Net Sales [Member] | Customer Concentration Risk [Member] | Customer B [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 23.00% | 27.00% | 21.00% | 24.00% |
Net Sales [Member] | Customer Concentration Risk [Member] | Customer D [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 4.00% | 4.00% | 5.00% | 4.00% |
Net Sales [Member] | Product Concentration Risk [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 100.00% | 100.00% | 100.00% | 100.00% |
Net Sales [Member] | Product Concentration Risk [Member] | Rotating Electrical Products [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 65.00% | 66.00% | 66.00% | 67.00% |
Net Sales [Member] | Product Concentration Risk [Member] | Brake-Related Products [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 21.00% | 20.00% | 21.00% | 19.00% |
Net Sales [Member] | Product Concentration Risk [Member] | Wheel Hub Products [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 11.00% | 10.00% | 10.00% | 11.00% |
Net Sales [Member] | Product Concentration Risk [Member] | Other Products [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage | 3.00% | 4.00% | 3.00% | 3.00% |
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer A [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage |  |  | 40.00% |  | 33.00%
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer C [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage |  |  | 12.00% |  | 21.00%
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer B [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage |  |  | 20.00% |  | 18.00%
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer D [Member] |  |  |  |  |
Concentration Risk [Abstract] |  |  |  |  |
Concentration risk percentage |  |  | 8.00% |  | 12.00%

X
- References No definition available. + Details
Name: | mpaa_ConcentrationRiskPercentageAbstract
Namespace Prefix: | mpaa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-21 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-20 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-18 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-20 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueProductLineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=mpaa_CustomerAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=mpaa_CustomerCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=mpaa_CustomerBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=mpaa_CustomerDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_ProductConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mpaa_RotatingElectricalProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mpaa_BrakeRelatedProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mpaa_WheelHubProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=mpaa_OtherProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |