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Note 2 - Summary of Significant Accounting Policies (Details) (USD $)
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9 Months Ended |
12 Months Ended |
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Sep. 30, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
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|
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| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
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| Customer A [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |
|
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
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| Concentration Risk, Percentage |
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28.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= mric_CustomerAMember
|
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| Customer B [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |
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|
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
|
|
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| Concentration Risk, Percentage |
|
18.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= mric_CustomerBMember
|
|
| Customer C [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |
|
|
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
|
|
|
| Concentration Risk, Percentage |
|
15.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= mric_CustomerCMember
|
|
| Over 7.5% of Total Accounts Receivable [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member] |
|
|
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
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|
|
| Number of Major Customers |
|
0mric_NumberOfMajorCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= mric_Over7.5OfTotalAccountsReceivableMember
|
|
| Other Customers [Member] | Accounts Receivable [Member] | Maximum [Member] | Customer Concentration Risk [Member] |
|
|
|
| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
|
|
|
| Concentration Risk, Percentage |
|
7.50%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= mric_OtherCustomersMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
|
|
| Other Customers [Member] | Sales [Member] | Maximum [Member] | Customer Concentration Risk [Member] |
|
|
|
| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
|
|
|
| Concentration Risk, Percentage |
|
9.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= mric_OtherCustomersMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
|
|
| One Customer [Member] | Sales [Member] | Customer Concentration Risk [Member] |
|
|
|
| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
|
|
|
| Concentration Risk, Percentage |
|
19.60%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= mric_OneCustomerMember
|
|
| Development Services [Member] |
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|
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
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| Revenue, Net (in Dollars) |
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284,000us-gaap_SalesRevenueNet
/ mric_RevenueSourcesAxis
= mric_DevelopmentServicesMember
|
531,000us-gaap_SalesRevenueNet
/ mric_RevenueSourcesAxis
= mric_DevelopmentServicesMember
|
| Development Services for Other Third Parties [Member] |
|
|
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
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|
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| Revenue, Net (in Dollars) |
|
|
10,000us-gaap_SalesRevenueNet
/ mric_RevenueSourcesAxis
= mric_DevelopmentServicesForOtherThirdPartiesMember
|
| Privately-Held Equity Securities [Member] | Minimum [Member] |
|
|
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
|
|
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| Fair Value Inputs, Discount Rate |
|
22.00%us-gaap_FairValueInputsDiscountRate
/ invest_InvestmentAxis
= mric_PrivatelyHeldEquitySecuritiesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
|
|
| Fair Value Inputs, Discount for Lack of Marketability |
|
15.00%us-gaap_FairValueInputsDiscountForLackOfMarketability
/ invest_InvestmentAxis
= mric_PrivatelyHeldEquitySecuritiesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
|
|
| Fair Value Inputs, Discount Rate for Lack of Control |
|
20.00%mric_FairValueInputsDiscountRateForLackOfControl
/ invest_InvestmentAxis
= mric_PrivatelyHeldEquitySecuritiesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
|
|
| Privately-Held Equity Securities [Member] | Maximum [Member] |
|
|
|
| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
|
|
|
| Fair Value Inputs, Discount Rate |
|
35.00%us-gaap_FairValueInputsDiscountRate
/ invest_InvestmentAxis
= mric_PrivatelyHeldEquitySecuritiesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
|
|
| Fair Value Inputs, Discount for Lack of Marketability |
|
35.00%us-gaap_FairValueInputsDiscountForLackOfMarketability
/ invest_InvestmentAxis
= mric_PrivatelyHeldEquitySecuritiesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
|
|
| Fair Value Inputs, Discount Rate for Lack of Control |
|
30.00%mric_FairValueInputsDiscountRateForLackOfControl
/ invest_InvestmentAxis
= mric_PrivatelyHeldEquitySecuritiesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
|
|
| Sales [Member] | Customer Concentration Risk [Member] |
|
|
|
| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
|
|
|
| Number of Major Customers |
|
1mric_NumberOfMajorCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
|
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| Minimum [Member] |
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
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| Property, Plant and Equipment, Useful Life |
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5 years
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| Term of Service Agreements |
1 year
|
1 year
|
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| Maximum [Member] |
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|
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| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] |
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|
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| Property, Plant and Equipment, Useful Life |
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7 years
|
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| Term of Service Agreements |
3 years
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3 years
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