Conversion of legacy mobix convertible notes to class a common stock

No definition available.

Name:	MOBX_ConversionOfLegacyMobixConvertibleNotesToClassACommonStock
Namespace Prefix:	MOBX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Conversion of legacy mobix SAFEs to class a common stock

+ References

No definition available.

+ Details

Name:	MOBX_ConversionOfLegacyMobixSAFEsToClassACommonStock
Namespace Prefix:	MOBX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Liabilities recognized in connection with the merger

+ References

No definition available.

+ Details

Name:	MOBX_LiabilitiesRecognizedInConnectionWithTheMerger
Namespace Prefix:	MOBX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Mobix transaction costs paid

+ References

No definition available.

+ Details

Name:	MOBX_MobixTransactionCostsPaid
Namespace Prefix:	MOBX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Net cash proceeds

+ References

No definition available.

+ Details

Name:	MOBX_NetCashProceeds
Namespace Prefix:	MOBX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Net cash proceeds from the merger

+ References

No definition available.

+ Details

Name:	MOBX_NetCashProceedsFromTheMerger
Namespace Prefix:	MOBX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Stock issued during period shares reverse recapitalization transaction net

+ References

No definition available.

+ Details

Name:	MOBX_StockIssuedDuringPeriodSharesReverseRecapitalizationTransactionNet
Namespace Prefix:	MOBX_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Stock issued during period value reverse recapitalization transaction net

+ References

No definition available.

+ Details

Name:	MOBX_StockIssuedDuringPeriodValueReverseRecapitalizationTransactionNet
Namespace Prefix:	MOBX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Unpaid transaction costs of legacy mobix

+ References

No definition available.

+ Details

Name:	MOBX_UnpaidTransactionCostsOfLegacyMobix
Namespace Prefix:	MOBX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

+ Details

Name:	us-gaap_ConversionOfStockAmountConverted1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of expense (income) related to the increase (decrease) in reserve for business combination costs. Includes, but is not limited to, legal, accounting, and other costs incurred to consummate the merger.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

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

- Definition

Amount of liabilities, classified as other, assumed in acquiring a business or in consideration for an asset received in a noncash or part noncash acquisition.

+ References

+ Details

Name:	us-gaap_NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of cash paid during the reporting period for charges associated with the mergers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

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

- Definition

The cash inflow from the sale of assets held in a decommissioning trust fund.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

+ Details

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

- Definition

The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

+ References

+ Details

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

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=MOBX_EarnoutLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=MOBX_PIPEMakeWholeLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=MOBX_PrivateWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=MOBX_LegacyMobixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=MOBX_ChavantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_ChavantPublicSharesNetOfRedemptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_ChavantFounderSharesNetOfSharesForfeitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_PIPEInvestorsSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_SettlementOfPIPEWarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_SponsorPIPESubscriptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_SettlementOfSponsorWarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_SettlementOfWarrantToNonRedeemingShareholderMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_AmendmentToBusinessCombinationMarketingAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_ChavantSharesOutstandingImmediatelyPriorToTheMergerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_LegacyMobixRolloverSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_ConversionOfLegacyMobixConvertibleNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=MOBX_ConversionOfLegacyMobixSAFEsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Schedule of Condensed Consolidated Financial Statements (Details) - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
	Dec. 21, 2023	Sep. 30, 2025	Sep. 30, 2024
Proceeds from Chavant trust fund	$ 1,264
Proceeds from PIPE investment	19,750
Legacy Mobix Merger-related transaction costs paid prior to closing	(983)
Net cash proceeds	14,065
Conversion of Legacy Mobix convertible notes to Class A Common Stock	206
Conversion of Legacy Mobix SAFEs to Class A Common Stock	1,522
Conversion of Legacy Mobix redeemable convertible preferred stock to Class B Common Stock	2,300
Unpaid Merger-related transaction costs assumed from Chavant	(871)
Unpaid Merger-related transaction costs of Legacy Mobix	(1,633)
Merger-related transaction costs expensed	4,009		$ 4,009
Net equity impact of the Merger	(16,182)
Earnout Liability [Member]
Fair value of Private Warrants	(33,559)
PIPE Make Whole Liability [Member]
Fair value of Private Warrants	(2,071)
Private Warrants [Member]
Fair value of Private Warrants	(150)
Legacy Mobix's [Member]
Chavant Merger-related transaction costs	(3,747)
Chavant [Member]
Chavant Merger-related transaction costs	(2,219)
Net cash proceeds from the Merger at Closing	$ 15,048
Common Class A [Member] \| Common Stock [Member]
Total number of Class A common shares issued in the Merger	2,290,180
Chavant Public Shares Net of Redemptions [Member]
Total number of Class A common shares issued in the Merger	11,100
Chavant Founder Shares Net of Shares Forfeited [Member]
Total number of Class A common shares issued in the Merger	134,137
PIPE Investors Shares [Member]
Total number of Class A common shares issued in the Merger	197,500
Settlement of PIPE Warrant [Member]
Total number of Class A common shares issued in the Merger	19,980
Sponsor PIPE Subscription [Member]
Total number of Class A common shares issued in the Merger	19,973
Settlement of Sponsor Warrant [Member]
Total number of Class A common shares issued in the Merger	27,218
Settlement Of Warrant To Non Redeeming Shareholder [Member]
Total number of Class A common shares issued in the Merger	20,248
Amendment to Business Combination Marketing Agreement [Member]
Total number of Class A common shares issued in the Merger	28,000
Chavant Shares Outstanding Immediately Prior to The Merger [Member]
Total number of Class A common shares issued in the Merger	458,156
Legacy Mobix Rollover Shares [Member]
Total number of Class A common shares issued in the Merger	1,813,925
Conversion of Legacy Mobix Convertible Notes [Member]
Total number of Class A common shares issued in the Merger	3,004
Conversion of Legacy Mobix SAFEs [Member]
Total number of Class A common shares issued in the Merger	15,095