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           Note 5 - Sale of Intellectual Property in Exchange for Cancellation of the Boston Scientific Notes (Details Textual) (USD $) 
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        1 Months Ended | 
|---|---|
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           Mar. 31, 2014 
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| Number of Convertible Notes Payable Cancelled | 3mric_NumberOfConvertibleNotesPayableCancelled | 
| Boston Scientific Notes [Member] | |
| Sale of Intangible Asset | 
$ 4,338,601mric_SaleOfIntangibleAsset / us-gaap_RelatedPartyTransactionAxis = mric_BostonScientificNotesMember  | 
      
| Notes Payable Cancelled, Principal Amount | 
$ 4,338,601mric_NotesPayableCancelledPrincipalAmount / us-gaap_RelatedPartyTransactionAxis = mric_BostonScientificNotesMember  | 
      
| X | ||||||||||
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- Definition 
          The aggregate principal amount of notes payable cancelled No definition available. 
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| X | ||||||||||
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- Definition 
          The number of convertible notes payable cancelled by the Company to satisfy the asset purchase price. No definition available. 
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| X | ||||||||||
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- Definition 
          Revenue derived from sale of intangible asset. No definition available. 
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| X | ||||||||||
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- Details 
          
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