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Basis of Presentation (Details)
 12 Months Ended
Dec. 31, 2014
customer
Sep. 02, 2014
item
FDA Warning Letter    
Number of observations   8irmd_WarningLetterNumberOfObservations
Number of identified responses whose accuracy will be determined   2irmd_WarningLetterNumberOfIdentifiedResponses
Gross accounts receivable | Credit concentration risk | International customer    
Certain Significant Risks and Uncertainties    
Number of customers 2irmd_NumberOfCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= irmd_InternationalCustomerMember		  
Concentration risk (as a percent) 35.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= irmd_InternationalCustomerMember