Annual report pursuant to Section 13 and 15(d)

Formation and Reverse Acquisition of Matinas BioPharma Holdings - Summary of Changes in Capitalization (Details Textual)

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Formation and Reverse Acquisition of Matinas BioPharma Holdings - Summary of Changes in Capitalization (Details Textual) (USD $)
 1 Months Ended 2 Months Ended 12 Months Ended
May 31, 2013
Jul. 31, 2013
Aug. 31, 2013
Dec. 31, 2013
Formation And Reverse Acquisition [Line Items]        
Stock Issued During Period, Shares, New Issues 7,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues      
Herbert Conrad [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock   250,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember 		250,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember 		 
Adam Stern And Entities Owned By Stern [Member]        
Formation And Reverse Acquisition [Line Items]        
Stock Issued During Period, Shares, New Issues 2,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_TitleOfIndividualAxis
= mtnb_AdamSternAndEntitiesOwnedBySternMember 		     
Common Stock [Member]        
Formation And Reverse Acquisition [Line Items]        
Stock Issued During Period, Shares, New Issues       7,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
Private Placement [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock     7,500,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember 		[1]  
Stock Issued During Period, Shares, New Issues     15,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember 		[1]  
Aggregate Common Stock Holding Percentage     47.70%mtnb_AggregateCommonStockHoldingPercentage
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember 		[1]  
Private Placement [Member] | Herbert Conrad [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock     125,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember 		 
Stock Issued During Period, Shares, New Issues     250,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember 		 
Placement Agent [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock     2,250,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= mtnb_PlacementAgentMember 		 
Warrant Private Placement [Member] | Herbert Conrad [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock     500,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= mtnb_WarrantPrivatePlacementMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember 		 
Formation Of Holdings [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock     3,750,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= mtnb_FormationOfHoldingsMember 		 
Former preferred and common shareholders [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock     1,500,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ mtnb_InvestorGroupAxis
= mtnb_FormerPreferredAndCommonShareholdersMember 		 
Stock Issued During Period, Shares, New Issues     9,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ mtnb_InvestorGroupAxis
= mtnb_FormerPreferredAndCommonShareholdersMember 		 
Aggregate Common Stock Holding Percentage     28.50%mtnb_AggregateCommonStockHoldingPercentage
/ mtnb_InvestorGroupAxis
= mtnb_FormerPreferredAndCommonShareholdersMember 		 
Former preferred and common shareholders [Member] | Common Stock [Member]        
Formation And Reverse Acquisition [Line Items]        
Merger Agreement, Number Of Shares Cancelled     10,000,000mtnb_MergerAgreementNumberOfSharesCancelled
/ mtnb_InvestorGroupAxis
= mtnb_FormerPreferredAndCommonShareholdersMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember 		 
Former preferred and common shareholders [Member] | Preferred Stock [Member]        
Formation And Reverse Acquisition [Line Items]        
Merger Agreement, Number Of Shares Cancelled     1,851,852mtnb_MergerAgreementNumberOfSharesCancelled
/ mtnb_InvestorGroupAxis
= mtnb_FormerPreferredAndCommonShareholdersMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember 		 
Unit Purchasers [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock     4,000,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ mtnb_InvestorGroupAxis
= mtnb_UnitPurchasersMember 		[2]  
Stock Issued During Period, Shares, New Issues     7,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ mtnb_InvestorGroupAxis
= mtnb_UnitPurchasersMember 		[2]  
Aggregate Common Stock Holding Percentage     23.80%mtnb_AggregateCommonStockHoldingPercentage
/ mtnb_InvestorGroupAxis
= mtnb_UnitPurchasersMember 		[2]  
Sale of Stock, Price Per Share     0.10us-gaap_SaleOfStockPricePerShare
/ mtnb_InvestorGroupAxis
= mtnb_UnitPurchasersMember 		 
Aegis Capital Corp [Member]        
Formation And Reverse Acquisition [Line Items]        
Warrants Issued For Purchase Of Common Stock     2,250,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember 		 
[1] From the 2013 Private Placement, and includes 1 unit purchased by Mr. Conrad for $ 250,000 at the full price paid by all third party investors.
[2] Includes 2,250,000 warrants issued in connection with the placement agent fees, 3,750,000 issued in connection with the sale of units at the Formation and 250,000 warrants purchased by Mr. Stern - see section entitled “Formation”