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

Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)

v2.4.1.9
Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Common stock, par value (in Dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 58,986,797us-gaap_CommonStockSharesIssued 58,536,972us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 58,986,797us-gaap_PreferredStockSharesOutstanding 58,536,972us-gaap_PreferredStockSharesOutstanding
Note Payable Net [Member]    
Unamortized discount (in Dollars) $ 314,511us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= mric_NotePayableNetMember
$ 437,261us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= mric_NotePayableNetMember
Junior Secured Notes Payable 2010 [Member]    
Unamortized discount (in Dollars) 2,711,796us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= mric_JuniorSecuredNotesPayable2010Member
2,767,595us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= mric_JuniorSecuredNotesPayable2010Member
Junior Secured Notes Payable 2014 [Member]    
Unamortized discount (in Dollars) $ 382,686us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= mric_JuniorSecuredNotesPayable2014Member
 
Junior secured notes payable, interest rate 12.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= mric_JuniorSecuredNotesPayable2014Member