Annual report pursuant to Section 13 and 15(d)

Note 11 - Subsequent Events (Details)

v2.4.1.9
Note 11 - Subsequent Events (Details) (USD $)
0 Months Ended
Mar. 16, 2015
Dec. 31, 2014
Note 11 - Subsequent Events (Details) [Line Items]    
Operating Leases, Future Minimum Payments Due (in Dollars)   $ 117,638us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Employee Stock Option [Member] | Subsequent Event [Member] | Granted upon Commencement of Employment [Member] | Chief Financial Officer [Member]    
Note 11 - Subsequent Events (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) 450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_StatementScenarioAxis
= mric_GrantedUponCommencementOfEmploymentMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefFinancialOfficerMember
 
Employee Stock Option [Member] | Subsequent Event [Member] | Granted on First and Second Anniversaries of Employment Date [Member] | Chief Financial Officer [Member]    
Note 11 - Subsequent Events (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) 150,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_StatementScenarioAxis
= mric_GrantedOnFirstAndSecondAnniversariesOfEmploymentDateMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefFinancialOfficerMember
 
Employee Stock Option [Member] | Subsequent Event [Member] | Chief Financial Officer [Member]    
Note 11 - Subsequent Events (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Expected Number of Annual Installments 3mric_ShareBasedCompensationArrangementByShareBasedPaymentExpectedNumberOfAnnualInstallments
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefFinancialOfficerMember
 
Subsequent Event [Member] | Executive Officer [Member] | Memphis, Tennessee [Member]    
Note 11 - Subsequent Events (Details) [Line Items]    
Restructuring and Related Cost, Expected Number of Positions Eliminated 3us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated
/ us-gaap_StatementGeographicalAxis
= mric_MemphisTennesseeMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ExecutiveOfficerMember
 
Subsequent Event [Member] | Memphis, Tennessee [Member]    
Note 11 - Subsequent Events (Details) [Line Items]    
Restructuring and Related Cost, Expected Number of Positions Eliminated 7us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated
/ us-gaap_StatementGeographicalAxis
= mric_MemphisTennesseeMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Restructuring and Related Cost, Expected Cost (in Dollars) 450,000us-gaap_RestructuringAndRelatedCostExpectedCost1
/ us-gaap_StatementGeographicalAxis
= mric_MemphisTennesseeMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Subsequent Event [Member] | Irvine, California [Member]    
Note 11 - Subsequent Events (Details) [Line Items]    
Operating Leases, Future Minimum Payments Due (in Dollars) 275,000us-gaap_OperatingLeasesFutureMinimumPaymentsDue
/ us-gaap_StatementGeographicalAxis
= mric_IrvineCaliforniaMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember