XML 87 R74.htm IDEA: XBRL DOCUMENT
v3.22.1

Significant Customer and Other Information (Details) | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Net Sales [Member] | Customer Concentration Risk [Member] | Customer A [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 38.00% | 42.00% | 38.00%
Net Sales [Member] | Customer Concentration Risk [Member] | Customer B [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 18.00% | 22.00% | 20.00%
Net Sales [Member] | Customer Concentration Risk [Member] | Customer C [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 29.00% | 23.00% | 26.00%
Net Sales [Member] | Product Concentration Risk [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 100.00% | 100.00% | 100.00%
Net Sales [Member] | Product Concentration Risk [Member] | Rotating Electrical Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 69.00% | 73.00% | 73.00%
Net Sales [Member] | Product Concentration Risk [Member] | Wheel Hub Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 13.00% | 15.00% | 15.00%
Net Sales [Member] | Product Concentration Risk [Member] | Brake-Related Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 15.00% | 10.00% | 9.00%
Net Sales [Member] | Product Concentration Risk [Member] | Other Products [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 3.00% | 2.00% | 3.00%
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer A [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 42.00% | 50.00% |
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer B [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 21.00% | 23.00% |
Accounts Receivable - Trade [Member] | Customer Concentration Risk [Member] | Customer C [Member] |  |  |
Concentration Risk [Abstract] |  |  |
Concentration risk percentage | 9.00% | 0.00% |

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 -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + 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_CustomerBMember
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: | 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_WheelHubProductsMember
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_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: |