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ORGANIZATION AND BASIS OF PRESENTATION (Detail Narrative) (USD $)
1 Months Ended 3 Months Ended
Jul. 31, 2014
Feb. 28, 2014
Mar. 31, 2015
Dec. 31, 2014
Accounting Policies [Abstract]        
Accrued severance-related charges     $ 110,000us-gaap_SeveranceCosts1  
Proceeds From Sale Of Convertible Preferred Stock Common Stock And Warrants 13,800,000mela_ProceedsFromSaleOfConvertiblePreferredStockCommonStockAndWarrants 11,500,000mela_ProceedsFromSaleOfConvertiblePreferredStockCommonStockAndWarrants    
Accumulated deficit     $ 189,565,791us-gaap_RetainedEarningsAccumulatedDeficit $ 182,293,370us-gaap_RetainedEarningsAccumulatedDeficit