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Formation and Reverse Acquisition of Matinas BioPharma Holdings - 2013 Private Placement (Details Textual) (USD $)
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1 Months Ended |
2 Months Ended |
12 Months Ended |
1 Months Ended |
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May 31, 2013
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Aug. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Jul. 31, 2013
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| Formation And Reverse Acquisition [Line Items] |
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| Stock Issued During Period, Shares, New Issues |
7,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
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| Investment Warrants, Exercise Price |
$ 2.00invest_InvestmentWarrantsExercisePrice
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| Proceeds from Issuance of Common Stock |
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$ 0us-gaap_ProceedsFromIssuanceOfCommonStock
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$ 15,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
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| Proceeds from Issuance of Warrants |
375,000us-gaap_ProceedsFromIssuanceOfWarrants
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0us-gaap_ProceedsFromIssuanceOfWarrants
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10,000us-gaap_ProceedsFromIssuanceOfWarrants
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| Payments of Stock Issuance Costs |
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2,400,000us-gaap_PaymentsOfStockIssuanceCosts
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0us-gaap_PaymentsOfStockIssuanceCosts
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2,378,672us-gaap_PaymentsOfStockIssuanceCosts
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| Placement Agent Cash Fees And Expenses |
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1,950,000mtnb_PlacementAgentCashFeesAndExpenses
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| External Legal Costs |
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425,000mtnb_ExternalLegalCosts
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| Aegis Capital Corp [Member] |
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| Formation And Reverse Acquisition [Line Items] |
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| Warrants Issued For Purchase Of Common Stock |
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2,250,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
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| Former preferred and common shareholders [Member] |
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| Formation And Reverse Acquisition [Line Items] |
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| Stock Issued During Period, Shares, New Issues |
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9,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ mtnb_InvestorGroupAxis
= mtnb_FormerPreferredAndCommonShareholdersMember
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| Warrants Issued For Purchase Of Common Stock |
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1,500,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ mtnb_InvestorGroupAxis
= mtnb_FormerPreferredAndCommonShareholdersMember
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| Aggregate Common Stock Holding Percentage |
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28.50%mtnb_AggregateCommonStockHoldingPercentage
/ mtnb_InvestorGroupAxis
= mtnb_FormerPreferredAndCommonShareholdersMember
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| Private Placement [Member] |
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| Formation And Reverse Acquisition [Line Items] |
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| Stock Issued During Period, Shares, New Issues |
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15,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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[1] |
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| Warrants Issued For Purchase Of Common Stock |
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7,500,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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[1] |
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| Investment Warrants, Exercise Price |
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$ 2.00invest_InvestmentWarrantsExercisePrice
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Proceeds from Issuance or Sale of Equity |
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15,000,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Proceeds from Issuance of Common Stock |
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11,983,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Proceeds from Issuance of Warrants |
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3,017,000us-gaap_ProceedsFromIssuanceOfWarrants
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Fair Value Of Warrants Issued |
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1,300,000mtnb_FairValueOfWarrantsIssued
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Aggregate Common Stock Holding Percentage |
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47.70%mtnb_AggregateCommonStockHoldingPercentage
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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[1] |
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| Aggregate Common Stock Holding Percentage Including Additional Share Issuance |
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30.00%mtnb_AggregateCommonStockStockHoldingPercentageIncludingAdditionalShareIssuance
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Private Placement [Member] | Aegis Capital Corp [Member] |
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| Formation And Reverse Acquisition [Line Items] |
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| Proceeds from Issuance or Sale of Equity |
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15,000,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Placement Agent Fees |
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1,500,000mtnb_PlacementAgentFees
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Non Accountable Expense Allowance |
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450,000mtnb_NonAccountableExpenseAllowance
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Warrant Solicitation Fee Percentage |
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5.00%mtnb_WarrantSolicitationFeePercentage
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Exercise Price One [Member] | Private Placement [Member] | Aegis Capital Corp [Member] |
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| Formation And Reverse Acquisition [Line Items] |
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| Warrants Issued For Purchase Of Common Stock |
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750,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ mtnb_ExercisePriceAxis
= mtnb_ExercisePriceOneMember
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Investment Warrants, Exercise Price |
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$ 2.00invest_InvestmentWarrantsExercisePrice
/ mtnb_ExercisePriceAxis
= mtnb_ExercisePriceOneMember
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Exercise Price Two [Member] | Private Placement [Member] | Aegis Capital Corp [Member] |
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| Formation And Reverse Acquisition [Line Items] |
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| Warrants Issued For Purchase Of Common Stock |
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1,500,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ mtnb_ExercisePriceAxis
= mtnb_ExercisePriceTwoMember
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Investment Warrants, Exercise Price |
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$ 1.00invest_InvestmentWarrantsExercisePrice
/ mtnb_ExercisePriceAxis
= mtnb_ExercisePriceTwoMember
/ mtnb_InvestorGroupAxis
= mtnb_AegisCapitalCorpMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
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| Herbert Conrad [Member] |
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| Formation And Reverse Acquisition [Line Items] |
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| Warrants Issued For Purchase Of Common Stock |
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250,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember
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250,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember
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| Herbert Conrad [Member] | Private Placement [Member] |
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| Formation And Reverse Acquisition [Line Items] |
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| Stock Issued During Period, Shares, New Issues |
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250,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember
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| Warrants Issued For Purchase Of Common Stock |
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125,000mtnb_WarrantsIsuuedForPurchaseOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember
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| Proceeds from Issuance or Sale of Equity |
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250,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember
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250,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember
|
| Proceeds from Issuance of Warrants |
$ 20,000us-gaap_ProceedsFromIssuanceOfWarrants
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_BoardOfDirectorsChairmanMember
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