Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Stockholders' Equity - Assumptions Used in Calculating Fair Value of Warrants Issued, Private Placement (Details)

v2.4.1.9
Note 7 - Stockholders' Equity - Assumptions Used in Calculating Fair Value of Warrants Issued, Private Placement (Details) (Monte Carlo Simulation Valuation Method [Member])
 3 Months Ended
Mar. 31, 2015
Dividend yield 0.00%us-gaap_FairValueAssumptionsExpectedDividendRate
Minimum [Member]
  
Expected volatility 40.40%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= mric_MonteCarloSimulationValuationMethodMember
Risk free interest rates 0.56%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= mric_MonteCarloSimulationValuationMethodMember
Expected remaining term (in years) 2 years 94 days
Maximum [Member]
  
Expected volatility 100.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= mric_MonteCarloSimulationValuationMethodMember
Risk free interest rates 0.70%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= mric_MonteCarloSimulationValuationMethodMember
Expected remaining term (in years) 2 years 299 days