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: