XML 21 R30.htm IDEA: XBRL DOCUMENT v2.4.1.9
NET LOSS PER COMMON SHARE (Detail)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential common stock equivalents 22,708,493us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 3,866,367us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Common Stock Purchase Warrants [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential common stock equivalents 13,078,920us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= mela_CommonStockPurchaseWarrantsMember
2,104,767us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= mela_CommonStockPurchaseWarrantsMember
Common Stock Equivalents of Convertible Debebtures [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential common stock equivalents 4,328,466us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= mela_CommonStockEquivalentsOfConvertibleDebebturesMember
  
Common Stock Equivalents of Convertible Preferred Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential common stock equivalents 4,007,406us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
1,464,287us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= mela_CommonStockEquivalentsOfConvertiblePreferredStockMember
Common Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential common stock equivalents 1,293,701us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
290,801us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
Restricted Stock Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential common stock equivalents    6,512us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockMember