XML 20 R42.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Major Customers (Details) | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2013 Supplier | Jun. 30, 2014 Sales [Member] Customer A [Member] | Jun. 30, 2013 Sales [Member] Customer A [Member] | Jun. 30, 2014 Sales [Member] Customer B [Member] | Jun. 30, 2013 Sales [Member] Customer B [Member] | Jun. 30, 2014 Sales [Member] Customer C [Member] | Jun. 30, 2013 Sales [Member] Customer C [Member] | Jun. 30, 2014 Sales [Member] Customer D [Member] | Jun. 30, 2013 Sales [Member] Customer D [Member] | Jun. 30, 2014 Accounts Receivable - Trade [Member] Customer A [Member] | Mar. 31, 2014 Accounts Receivable - Trade [Member] Customer A [Member] | Jun. 30, 2014 Accounts Receivable - Trade [Member] Customer B [Member] | Mar. 31, 2014 Accounts Receivable - Trade [Member] Customer B [Member] | Jun. 30, 2014 Accounts Receivable - Trade [Member] Customer C [Member] | Mar. 31, 2014 Accounts Receivable - Trade [Member] Customer C [Member] | Jun. 30, 2014 Accounts Receivable - Trade [Member] Customer D [Member] | Mar. 31, 2014 Accounts Receivable - Trade [Member] Customer D [Member] | Jun. 30, 2014 Significant Supplier Purchases [Member] Supplier A [Member]
Concentration Risk [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk percentage (in hundredths) |  | 53.00% | 44.00% | 22.00% | 25.00% | 5.00% | 10.00% | 3.00% | 5.00% | 30.00% | 46.00% | 25.00% | 12.00% | 8.00% | 7.00% | 10.00% | 10.00% | 13.00%
Number of major suppliers | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition The number of suppliers that accounted for more than 10% of inventory purchases during the accounting period. + References No definition available. + Details
Name: | mpaa_NumberOfMajorSuppliers
Namespace Prefix: | mpaa_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&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=35750535&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 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration