XML 78 R67.htm IDEA: XBRL DOCUMENT v3.25.1

Stockholders' Equity (Deficit) - September 2023 Securities Purchase Agreement (Details) - USD ($) $ / shares in Units, $ in Thousands										12 Months Ended
	Dec. 17, 2024	Sep. 15, 2024	Mar. 04, 2024	Jan. 12, 2024	Nov. 09, 2023	Oct. 02, 2023	Sep. 11, 2023	Sep. 07, 2023	Feb. 27, 2023	Dec. 31, 2024	Dec. 31, 2023	Nov. 06, 2023	Oct. 04, 2023	Feb. 23, 2023
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares)					207,448
Exercise price (in dollars per share)	$ 6.82			$ 13.44	$ 28.00									$ 805.00
Aggregate cost	$ 5,000	$ 2,800	$ 4,000	$ 4,000		$ 4,000		$ 5,000	$ 10,000
Agent fees and other offering costs		300	500	400		400		400		$ 1,677	$ 2,048
Proceeds from issuance of warrants	$ 4,400	$ 2,400	$ 3,500	$ 3,600	$ 6,500	$ 3,600		$ 4,600
Issuance of pre-funded warrants and warrants in private placement, net of issuance costs										$ 2,443
Pre-Funded Warrants
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares)	40,000					122,143		33,068
Exercise price (in dollars per share)						$ 0.00014		$ 0.00014
Series A Warrants
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares)													48,068
Exercise price (in dollars per share)								100.52
Series B Warrants
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares)						48,068
Exercise price (in dollars per share)								100.52
February Class A Warrants
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares)												16,523		16,523
Exercise price (in dollars per share)								$ 100.52
March Pre-Funded Warrants
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares)			236,020
Exercise price (in dollars per share)			$ 0.00001
Issuance of pre-funded warrants and warrants in private placement, net of issuance costs			$ 100				$ 600
Common Class A
Class of Warrant or Right [Line Items]
Number of shares sold (in shares)	230,000		94,286	64,286		20,715		15,000
Purchase price (in dollars per share)		$ 7.70	$ 12.11	$ 15.19		$ 28.00		$ 104.02
Number of warrants exercised on net basis (in shares)		714,286
Exercise price (in dollars per share)	$ 6.08									$ 8,050
Common Class A | Pre-Funded Warrants
Class of Warrant or Right [Line Items]
Number of warrants exercised on net basis (in shares)	570,000
Exercise price (in dollars per share)	$ 0.00001

X

- Definition

Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 25
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481284/470-20-25-2

+ Details

Name:	us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

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

+ 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

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

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

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

X

- 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

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

X

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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

X

- 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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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