Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights If Terminated

No definition available.

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- Definition

Number Of Trading Days

+ References

No definition available.

+ Details

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- Definition

Sale Of Stock, Covenant, Trading Price Percentage Of Purchase Price

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Sale Of Stock, Optional Term

+ References

No definition available.

+ Details

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- Definition

Sale Of Stock, Pending Consideration On Transaction

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Sale Of Stock, Term

+ References

No definition available.

+ Details

Name:	mnts_SaleOfStockTerm
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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- 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

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

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-4

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=mnts_ELOCPreFundedWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
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Period Type:

Stockholders' Equity - September 2025 Equity Line of Credit (Details)	Dec. 23, 2025 day $ / shares	Sep. 25, 2025 USD ($) $ / shares shares	Jan. 26, 2026 shares	Oct. 14, 2025 shares	Mar. 21, 2025 $ / shares	Mar. 20, 2025 $ / shares	Feb. 11, 2025 $ / shares	Dec. 17, 2024 $ / shares	Oct. 24, 2024 shares	Sep. 15, 2024 shares
Class of Warrant or Right [Line Items]
Purchase amount of common stock \| $		$ 50,000,000.0
Trading price percentage of purchase price		106.00%
Purchase price (in dollars per share)		$ 22.13
Sale of stock, term (in months)		36 months
Optional term		30 days
Number of warrants exercised on net basis (in shares) \| shares									20,009
Exercise price (in dollars per share)							$ 77.07
ELOC Pre-funded Warrants (Level 3)
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares) \| shares			4,202
Exercise price (in dollars per share)		$ 0.00001
Number of warrants terminated (in shares) \| shares		42,017
Fair value of warrants \| $		$ 800,000
Remeasured fair value (in dollars per share)	$ 1.24
Lowest trading price (as percent)	94.00%
Number of trading days \| day	3
Common Class A
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares) \| shares		37,816		418,465						40,017
Exercise price (in dollars per share)					$ 34.45	$ 67.83		$ 108.53