XML 78 R13.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Short-Term Investments | 12 Months Ended
--- | ---
Mar. 31, 2015
Short-Term Investments [Abstract] |
Short-Term Investments | 5. Short-Term Investments The short-term investments contain the assets of the Company’s deferred compensation plan. The plan’s assets consist primarily of mutual funds and are classified as available for sale. During the year ended March 31, 2015, the Company redeemed $4,000 of short-term investments for the payment of deferred compensation liabilities. The Company did not redeem any short-term investments for the payment of deferred compensation liabilities during the year ended March 31, 2014. As of March 31, 2015 and 2014, the fair market value of the short-term investments was $699,000 and $521,000, and the liability to plan participants was $699,000 and $521,000, respectively.

X
- Definition The entire disclosure of the short-term investments. Short-term investments may include current marketable securities. + References No definition available. + Details
Name: | mpaa_ShortTermInvestmentsTextBlock
Namespace Prefix: | mpaa_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShortTermInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration