Annual report pursuant to Section 13 and 15(d)

Non-Cash Investing and Financing Transactions (Details)

v2.4.1.9
Non-Cash Investing and Financing Transactions (Details) (USD $)
 12 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Mar. 06, 2013
Mar. 31, 2013
Jan. 31, 2013
Non-Cash Investing and Financing Transactions (Details) [Line Items]            
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 1,743,174us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment $ 1,495,877us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment        
Deferred Finance Costs, Net     30,210us-gaap_DeferredFinanceCostsNet      
Deferred Offering Costs           24,219us-gaap_DeferredOfferingCosts
Warrant [Member]            
Non-Cash Investing and Financing Transactions (Details) [Line Items]            
Derivative, Fair Value, Net     413,057us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_DerivativeByNatureAxis
= us-gaap_WarrantMember 		     
ClearPoint Reusable Components [Member]            
Non-Cash Investing and Financing Transactions (Details) [Line Items]            
Transfer from Loaned Systems to Inventory 221,021mric_TransferFromLoanedSystemsToInventory
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= mric_ClearPointReusableComponentsMember 		143,372mric_TransferFromLoanedSystemsToInventory
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= mric_ClearPointReusableComponentsMember 		       
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 96,631us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= mric_ClearPointReusableComponentsMember 		115,952us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= mric_ClearPointReusableComponentsMember 		       
Boston Scientific Notes [Member]            
Non-Cash Investing and Financing Transactions (Details) [Line Items]            
Notes Payable Cancelled, Principal Amount     4,338,601mric_NotesPayableCancelledPrincipalAmount
/ us-gaap_RelatedPartyTransactionAxis
= mric_BostonScientificNotesMember 		     
April 2011 Note [Member]            
Non-Cash Investing and Financing Transactions (Details) [Line Items]            
Accrued Interest Added to Principal Balance of a Note Payable       389,444mric_AccruedInterestAddedToPrincipalBalanceOfANotePayable
/ us-gaap_DebtInstrumentAxis
= mric_April2011NoteMember 		389,444mric_AccruedInterestAddedToPrincipalBalanceOfANotePayable
/ us-gaap_DebtInstrumentAxis
= mric_April2011NoteMember 		 
Increase in Principal Balance of Note Payable       $ 1,900,000mric_IncreaseInPrincipalBalanceOfNotePayable
/ us-gaap_DebtInstrumentAxis
= mric_April2011NoteMember 		$ 1,900,000mric_IncreaseInPrincipalBalanceOfNotePayable
/ us-gaap_DebtInstrumentAxis
= mric_April2011NoteMember