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

Note 5 - Related Party License Agreements (Details)

v2.4.1.9
Note 5 - Related Party License Agreements (Details) (USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2008
Note 5 - Related Party License Agreements (Details) [Line Items]        
Revenue from Related Parties $ 650,000us-gaap_RevenueFromRelatedParties $ 650,000us-gaap_RevenueFromRelatedParties $ 3,346,374us-gaap_RevenueFromRelatedParties  
BSC Neuro Agreement [Member]        
Note 5 - Related Party License Agreements (Details) [Line Items]        
Revenue from Related Parties     746,000us-gaap_RevenueFromRelatedParties
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mric_BSCNeuroAgreementMember
 
BSC Cardiac Agreement [Member]        
Note 5 - Related Party License Agreements (Details) [Line Items]        
Revenue from Related Parties       $ 13,000,000us-gaap_RevenueFromRelatedParties
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= mric_BSCCardiacAgreementMember
Related Party Transaction, Deferred Revenue Recognition Period   5 years