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Concentration of Credit Risk - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2015 Instruments
STA Instruments [Member]
Concentration Risk [Line Items]
Number of instrument on purchase agreement	12,000

X

- Definition

Number of instrument on purchase agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	mlss_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ProductOrServiceAxis=mlss_StaInstrumentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: