General form of registration statement for all companies including face-amount certificate companies

Note 10 - Commitments (Details)

v2.4.1.9
Note 10 - Commitments (Details) (USD $)
6 Months Ended 12 Months Ended 9 Months Ended
Sep. 30, 2012
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2014
Dec. 31, 2009
Jun. 30, 2010
Note 10 - Commitments (Details) [Line Items]            
Operating Leases, Rent Expense   $ 149,000us-gaap_LeaseAndRentalExpense $ 145,000us-gaap_LeaseAndRentalExpense      
Bonus Payment to Each Participant in Key Personnel Incentive Program upon a Sale Transaction   1,000,000mric_BonusPaymentToEachParticipantInKeyPersonnelIncentiveProgramUponASaleTransaction        
Incentive Bonus Payment to One of the Participants as a Percentage of Net Proceeds from the Sale Transaction   1.40%mric_IncentiveBonusPaymentToOneOfTheParticipantsAsAPercentageOfNetProceedsFromTheSaleTransaction        
Net Proceeds from the Sale Transaction, Threshold Amount   50,000,000mric_NetProceedsFromTheSaleTransactionThresholdAmount        
Maximum Additional Incentive Bonus Payment to One Participant   700,000mric_MaximumAdditionalIncentiveBonusPaymentToOneParticipant        
Other Operating Income (Expense), Net 882,537us-gaap_OtherOperatingIncomeExpenseNet   882,537us-gaap_OtherOperatingIncomeExpenseNet      
Co-Development Agreement [Member] | Paid [Member]            
Note 10 - Commitments (Details) [Line Items]            
Contractual Obligation   1,373,889us-gaap_ContractualObligation
/ us-gaap_NatureOfExpenseAxis
= mric_PaidMember
/ us-gaap_OtherCommitmentsAxis
= mric_CoDevelopmentAgreementMember
       
Co-Development Agreement [Member]            
Note 10 - Commitments (Details) [Line Items]            
Contractual Obligation         2,476,000us-gaap_ContractualObligation
/ us-gaap_OtherCommitmentsAxis
= mric_CoDevelopmentAgreementMember
 
Shared Research Agreements [Member]            
Note 10 - Commitments (Details) [Line Items]            
Contractual Obligation   274,000us-gaap_ContractualObligation
/ us-gaap_OtherCommitmentsAxis
= mric_SharedResearchAgreementsMember
       
Master Services and Software License Agreement [Member] | Previous Purchase [Member]            
Note 10 - Commitments (Details) [Line Items]            
License Costs     612,500us-gaap_LicenseCosts
/ us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis
= mric_PreviousPurchaseMember
/ us-gaap_OtherCommitmentsAxis
= mric_MasterServicesAndSoftwareLicenseAgreementMember
     
Master Services and Software License Agreement [Member] | Additional Purchase [Member]            
Note 10 - Commitments (Details) [Line Items]            
License Costs     87,500us-gaap_LicenseCosts
/ us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis
= mric_AdditionalPurchaseMember
/ us-gaap_OtherCommitmentsAxis
= mric_MasterServicesAndSoftwareLicenseAgreementMember
     
Master Services and Software License Agreement [Member]            
Note 10 - Commitments (Details) [Line Items]            
Stock Issued During Period, Shares, Purchase of Assets (in Shares)     1,500,000us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets
/ us-gaap_OtherCommitmentsAxis
= mric_MasterServicesAndSoftwareLicenseAgreementMember
     
Purchase Commitment, Remaining Minimum Amount Committed     962,500us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
/ us-gaap_OtherCommitmentsAxis
= mric_MasterServicesAndSoftwareLicenseAgreementMember
     
Cardiac EP Business Participation Plan [Member]            
Note 10 - Commitments (Details) [Line Items]            
Equity Method Investment, Ownership Percentage   3.10%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_OtherCommitmentsAxis
= mric_CardiacEPBusinessParticipationPlanMember
      6.60%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_OtherCommitmentsAxis
= mric_CardiacEPBusinessParticipationPlanMember
Still Employed on December 31, 2014 [Member]            
Note 10 - Commitments (Details) [Line Items]            
Retention Bonuses Contingent Payment       166,667mric_RetentionBonusesContingentPayment
/ us-gaap_StatementScenarioAxis
= mric_StillEmployedOnDecember312014Member
   
Still Employed on July 31, 2015 [Member]            
Note 10 - Commitments (Details) [Line Items]            
Additional Retention Bonuses Contingent Payment       $ 333,333mric_AdditionalRetentionBonusesContingentPayment
/ us-gaap_StatementScenarioAxis
= mric_StillEmployedOnJuly312015Member