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Note 14 - Subsequent Events (Details Textual) - Subsequent Event [Member] - Restricted Stock [Member] | Jul. 31, 2019 shares
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Third Party Advisor [Member] |
Common Stock, Capital Shares Reserved for Future Issuance | 200,000
Investor Relations Consultant [Member] |
Common Stock, Capital Shares Reserved for Future Issuance | 150,000

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_TitleOfIndividualAxis=mlss_ThirdPartyAdvisorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_TitleOfIndividualAxis=mlss_InvestorRelationsConsultantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |