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    <Log type="Info">'Monetary' elements on report '2406402 - Disclosure - Inventory (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2407401 - Disclosure - Deposits (Details)' had a mix of different decimal attribute values.</Log>
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    <Log type="Info">'Monetary' elements on report '2420404 - Disclosure - Commitments and Contingencies Narrative (Details)' had a mix of different decimal attribute values.</Log>
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    <Log type="Info">'Monetary' elements on report '2428405 - Disclosure - Schedule of Restated Financial Statements (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 1001000 - Statement - Condensed Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2009'</Log>
    <Log type="Info">Process Flow-Through: 1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 1002000 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income</Log>
    <Log type="Info">Process Flow-Through: 1004001 - Statement - Consolidated Statement of Stockholders' Equity (Parenthetical)</Log>
    <Log type="Info">	Process Flow-Through: Removing column '12 Months Ended
Dec. 31, 2010'</Log>
    <Log type="Info">Process Flow-Through: 1005000 - Statement - Condensed Consolidated Statements of Cash Flows</Log>
  </Logs>
  <InputFiles>
    <File>mcp-20121231.xml</File>
    <File>mcp-20121231.xsd</File>
    <File>mcp-20121231_cal.xml</File>
    <File>mcp-20121231_def.xml</File>
    <File>mcp-20121231_lab.xml</File>
    <File>mcp-20121231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
