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Note I - Stockholders' Equity - Summary of Shares to be Issued (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Shares-to-be-issued, outstanding (in shares)	2,428,329	2,375,760
Granted in current period (in shares)	93,918	642,667
Issued in current period (in shares)	(455,904)	(590,098)
Shares-to be issued outstanding (in shares)	2,066,343	2,428,329

X

- Definition

Number of shares granted pursuant to the terms of a deferred compensation arrangement.

+ References

No definition available.

+ Details

Name:	mlss_DeferredCompensationArrangementWithIndividualSharesGranted
Namespace Prefix:	mlss_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The maximum number of shares authorized for issuance under the deferred compensation arrangement as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualSharesAuthorizedForIssuance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of shares issued pursuant to the terms of a deferred compensation arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration