Quarterly report pursuant to Section 13 or 15(d)

STATEMENT OF STOCKHOLDER'S EQUITY

v2.4.1.9
STATEMENT OF STOCKHOLDER'S EQUITY (USD $)
Total
Redeemable Convertible Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Balance at Dec. 31, 2012 $ (116,592)us-gaap_StockholdersEquity $ 456,528us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
$ 1,000us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 0us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (117,592)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance (in shares) at Dec. 31, 2012   925,926us-gaap_SharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
10,000,000us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Sale of Preferred Stock   500,001mtnb_StockIssuedDuringPeriodValueSaleOfPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
     
Sale of Preferred Stock (in shares)   925,926mtnb_StockIssuedDuringPeriodSharesSaleOfPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
     
Issuance cost paid in connection of sale of preferred stock   (4,140)mtnb_IssuanceCostPaidInConnectionOfSaleOfPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
     
Formation of Matinas BioPharma Holdings (July 11, 2013) 375,000us-gaap_StockIssuedDuringPeriodValueNewIssues   750us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
374,250us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Formation of Matinas BioPharma Holdings (July 11, 2013) (in shares)     7,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Elimination of Matinas BioPharma Inc. Equity (July 11, 2013) (1,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue (952,389)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
(1,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Elimination of Matinas BioPharma Inc. Equity (July 11, 2013) (in shares)   (1,851,852)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
(10,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Issuance of shares in Matinas Holdings to former shareholders of Matinas BioPharma Inc 953,389us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan   900us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
952,489us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Issuance of shares in Matinas Holdings to former shareholders of Matinas BioPharma Inc (in shares)     9,000,000us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Sale of warrants 138,316us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued     138,316us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Private Placement ( July 30, 2013 and August 8, 2013) 15,000,000mtnb_StockIssuedDuringPeriodValuePrivatePlacement   1,500mtnb_StockIssuedDuringPeriodValuePrivatePlacement
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
14,998,500mtnb_StockIssuedDuringPeriodValuePrivatePlacement
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Private Placement ( July 30, 2013 and August 8, 2013) (in shares)     15,000,000mtnb_StockIssuedDuringPeriodSharesPrivatePlacement
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Private Placement Issuance Costs (2,378,672)us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts     (2,378,672)us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Restricted Stock Grant to non-employee 470,000us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross   50us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
469,950us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Restricted Stock Grant to non-employee (in shares)     500,000us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Restricted Stock for services to be rendered (463,562)mtnb_AdjustmentsToAdditionalPaidInCapitalRestrictedStockAwardRequisiteServicePeriodRecognition     (463,562)mtnb_AdjustmentsToAdditionalPaidInCapitalRestrictedStockAwardRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Stock Based Compensation 211,036us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition     211,036us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Net loss (3,713,127)us-gaap_NetIncomeLoss       (3,713,127)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance at Dec. 31, 2013 10,474,788us-gaap_StockholdersEquity 0us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
3,200us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
14,302,307us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(3,830,719)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance (in shares) at Dec. 31, 2013   0us-gaap_SharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
32,000,000us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Stock Based Compensation 1,821,402us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition     1,821,402us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Issuance of Common Stock for services 152,751us-gaap_StockIssuedDuringPeriodValueIssuedForServices   30us-gaap_StockIssuedDuringPeriodValueIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
152,721us-gaap_StockIssuedDuringPeriodValueIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Issuance of Common Stock for services (in shares)     292,650us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Net loss (10,221,045)us-gaap_NetIncomeLoss       (10,221,045)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance at Dec. 31, 2014 2,227,896us-gaap_StockholdersEquity 0us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
3,230us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
16,276,430us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(14,051,764)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance (in shares) at Dec. 31, 2014   0us-gaap_SharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
32,292,650us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Aquarius Inc. Purchase January 29, 2015 2,119,689us-gaap_StockIssuedDuringPeriodValueAcquisitions   461us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
2,119,229us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Aquarius Inc. Purchase January 29, 2015 (in shares)     4,608,020us-gaap_StockIssuedDuringPeriodSharesAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
First Closing of Private Placement March 31, 2015, including Placement Agent Warrants 4,282,734us-gaap_StockIssuedDuringPeriodValueOther   988us-gaap_StockIssuedDuringPeriodValueOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
4,281,746us-gaap_StockIssuedDuringPeriodValueOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
First Closing of Private Placement March 31, 2015, including Placement Agent Warrants (in shares)     9,875,000us-gaap_StockIssuedDuringPeriodSharesOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Stock Based Compensation 332,683us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition     332,683us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Net loss (2,570,111)us-gaap_NetIncomeLoss       (2,570,111)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance at Mar. 31, 2015 $ 6,392,892us-gaap_StockholdersEquity $ 0us-gaap_StockholdersEquity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
$ 4,679us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 23,010,088us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (16,621,875)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance (in shares) at Mar. 31, 2015   0us-gaap_SharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RedeemableConvertiblePreferredStockMember
46,775,670us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember