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Note 7 - Income Taxes (Details Textual) - USD ($) $ in Millions |  | 6 Months Ended | 60 Months Ended
--- | --- | --- | ---
Apr. 01, 2024 | Jun. 30, 2024 | Apr. 01, 2029
Percentage of Valuation Allowance |  | 100.00% |
Proceeds From Sale of Net Operating Loss Amount | $ (2.0) |  |
Sale of Net Operating Losses, Physical Presence Requirement, Years (Year) |  |  | 5 years
Sale of Net Operating Losses, Contingent Liability, Amount | $ 2.2 |  |

X
- Definition Represents the percentage of valuation allowance. + References No definition available. + Details
Name: | mlss_PercentageOfValuationAllowance
Namespace Prefix: | mlss_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the sale of NOL during the period. + References No definition available. + Details
Name: | mlss_ProceedsFromSaleOfNetOperatingLossAmount
Namespace Prefix: | mlss_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount of contingent liability that a company must pay if they violate the terms of the sale of net operating losses. + References No definition available. + Details
Name: | mlss_SaleOfNetOperatingLossesContingentLiabilityAmount
Namespace Prefix: | mlss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the number of years a company must retain a physical presence in a geographic region per the terms of a sale of net operating losses. + References No definition available. + Details
Name: | mlss_SaleOfNetOperatingLossesPhysicalPresenceRequirementYears
Namespace Prefix: | mlss_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration