Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)

v2.4.1.9
Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Unamortized discount $ 3,226,112us-gaap_DebtInstrumentUnamortizedDiscount  
Common stock, par value (in dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized (in shares) 100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (in shares) 74,880,011us-gaap_CommonStockSharesIssued 74,842,428us-gaap_CommonStockSharesIssued
Common stock, shares outstanding (in shares) 74,880,011us-gaap_CommonStockSharesOutstanding 74,842,428us-gaap_CommonStockSharesOutstanding
Senior Notes [Member]    
Unamortized discount 225,353us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
271,305us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
2010 Junior Secured Notes Payable [Member]    
Unamortized discount $ 2,649,533us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= mric_JuniorSecuredNotesPayable2010Member
$ 2,683,171us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= mric_JuniorSecuredNotesPayable2010Member