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Stockholders' Equity - Schedule of Stock Options Outstanding Exercise Price Range (Details) (Parenthetical) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Stock option description | 0.01 or less

X
- Definition Stock option description. + References No definition available. + Details
Name: | MRLA_StockOptionDescription
Namespace Prefix: | MRLA_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration