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STOCKHOLDERS' EQUITY (Details Narrative) (USD $)
3 Months Ended 1 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Oct. 29, 2013
Feb. 05, 2014
Dec. 31, 2014
Jul. 24, 2014
Preferred stock, shares authorized 10,000,000us-gaap_PreferredStockSharesAuthorized       10,000,000us-gaap_PreferredStockSharesAuthorized  
Preferred stock, par value $ 0.10us-gaap_PreferredStockParOrStatedValuePerShare       $ 0.10us-gaap_PreferredStockParOrStatedValuePerShare  
Preferred stock, shares issued 10,279us-gaap_PreferredStockSharesIssued       11,787us-gaap_PreferredStockSharesIssued  
Preferred stock, shares outstanding 10,279us-gaap_PreferredStockSharesOutstanding       11,787us-gaap_PreferredStockSharesOutstanding  
Common stock issued on conversion of preferred stock           4,795,321mela_CommonStockIssuedOnConversionOfPreferredStock
Fair value of warrants $ 1,223,352us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral          
Change in fair value of warrants, benefit 957,406us-gaap_FairValueAdjustmentOfWarrants          
Liquidated damages paid 0mela_RegistrationRightsLiquidatingDamages 3,389,940mela_RegistrationRightsLiquidatingDamages        
Preferred stock value allocated 1,028us-gaap_PreferredStockValue       1,179us-gaap_PreferredStockValue  
Common stock, shares authorized 50,000,000us-gaap_CommonStockSharesAuthorized       50,000,000us-gaap_CommonStockSharesAuthorized  
Common stock, par value $ 0.001us-gaap_CommonStockParOrStatedValuePerShare       $ 0.001us-gaap_CommonStockParOrStatedValuePerShare  
Common stock issued 7,525,146us-gaap_CommonStockSharesIssued       6,037,232us-gaap_CommonStockSharesIssued  
Common stock outstanding 7,525,146us-gaap_CommonStockSharesOutstanding       6,037,232us-gaap_CommonStockSharesOutstanding  
Series B warrants [Member]            
Preferred stock value allocated 12,300,000us-gaap_PreferredStockValue
/ us-gaap_ClassOfWarrantOrRightAxis
= mela_SeriesBwarrantsMember
         
Series A Warrants [Member]            
Warrants issued to purchase common stock, exercise price     $ 8.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= mela_SeriesWarrantsMember
     
Fair value of warrants 610,286us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
/ us-gaap_ClassOfWarrantOrRightAxis
= mela_SeriesWarrantsMember
         
Change in fair value of warrants, benefit 377,143us-gaap_FairValueAdjustmentOfWarrants
/ us-gaap_ClassOfWarrantOrRightAxis
= mela_SeriesWarrantsMember
137,142us-gaap_FairValueAdjustmentOfWarrants
/ us-gaap_ClassOfWarrantOrRightAxis
= mela_SeriesWarrantsMember
       
Common stock issued     422,819us-gaap_CommonStockSharesIssued
/ us-gaap_ClassOfWarrantOrRightAxis
= mela_SeriesWarrantsMember
     
Proceeds from purchase agreement     6,000,000mela_ProceedsFromPurchaseAgreement
/ us-gaap_ClassOfWarrantOrRightAxis
= mela_SeriesWarrantsMember
     
Aggregate Consideration Receivable For Warrants To Be Issued     685,715mela_AggregateConsiderationReceivableForWarrantsToBeIssued
/ us-gaap_ClassOfWarrantOrRightAxis
= mela_SeriesWarrantsMember
     
Series B Preferred Stock [Member]            
Preferred stock, shares issued 10,279us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
      11,787us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Preferred stock, shares outstanding 10,279us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
      11,787us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Preferred stock converted in common stock 1,508mela_PreferredStockConvertedInCommonStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
         
Conversion of convertible preferred stock           12,300mela_ConversionOfConvertiblePreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
Conversion of convertible preferred stock, per share           1,000mela_PreferredStockStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
Conversion of convertible preferred stock, initial price           2.565mela_ConvertiblePreferredStockInitialConversionPrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
Common stock issued on conversion of preferred stock 587,915mela_CommonStockIssuedOnConversionOfPreferredStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
         
Warrants issued to purchase common stock           4,795,321mela_WarrantsIssuedToPurchaseCommonStockShares
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
Warrants issued to purchase common stock, exercise price           2.45us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
Total preferred stock value 2,486,780us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
         
Preferred stock allocated to intrinsic value of beneficial conversion 1,887,364us-gaap_ConvertiblePreferredStockConvertedToOtherSecurities
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
         
Series A Preferred Stock [Member]            
Conversion of convertible preferred stock           12,300mela_ConversionOfConvertiblePreferredStock
/ us-gaap_StatementClassOfStockAxis
= mela_SeriesPreferredStockMember
Common Stock Equivalents of Convertible Preferred Stock [Member]            
Preferred stock, par value       $ 0.10us-gaap_PreferredStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
   
Preferred stock, shares issued       12,300us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
   
Conversion of convertible preferred stock, per share       $ 1,000mela_PreferredStockStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
   
Conversion of convertible preferred stock, initial price       $ 8.40mela_ConvertiblePreferredStockInitialConversionPrice
/ us-gaap_StatementClassOfStockAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
   
Common stock issued on conversion of preferred stock       1,464,287mela_CommonStockIssuedOnConversionOfPreferredStock
/ us-gaap_StatementClassOfStockAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
   
Warrants issued to purchase common stock       1,329,731mela_WarrantsIssuedToPurchaseCommonStockShares
/ us-gaap_StatementClassOfStockAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
   
Warrants issued to purchase common stock, exercise price       $ 7.40us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementClassOfStockAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
   
Proceeds from issuance of warrants       $ 11,457,831us-gaap_ProceedsFromIssuanceOfWarrants
/ us-gaap_StatementClassOfStockAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
   
Warrants issued, exercisable term       5 years