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Senior Notes Payable (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Senior-secured notes payable [Member]
Senior-secured notes payable	$ 7,184

X

- Definition

Senior-secured notes payable.

+ References

No definition available.

+ Details

Name:	mela_SeniorsecuredNotesPayable
Namespace Prefix:	mela_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: