Lessee, Operating Lease, Extended Term of Contract

No definition available.

Name:	lmb_LesseeOperatingLeaseExtendedTermOfContract
Namespace Prefix:	lmb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Lessee, Operating Lease, Monthly Based Rent

+ References

No definition available.

+ Details

Name:	lmb_LesseeOperatingLeaseMonthlyBasedRent
Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Lessee, Operating Lease, Number Of Renewal Options

+ References

No definition available.

+ Details

Name:	lmb_LesseeOperatingLeaseNumberOfRenewalOptions
Namespace Prefix:	lmb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee, Operating Lease, Option To Extend, Number

+ References

No definition available.

+ Details

Name:	lmb_LesseeOperatingLeaseOptionToExtendNumber
Namespace Prefix:	lmb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessor, Operating Lease, Annual Base Rent

+ References

No definition available.

+ Details

Name:	lmb_LessorOperatingLeaseAnnualBaseRent
Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Lessor, Operating Lease, Annual Base Rent Increase, Percentage

+ References

No definition available.

+ Details

Name:	lmb_LessorOperatingLeaseAnnualBaseRentIncreasePercentage
Namespace Prefix:	lmb_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessor, Operating Lease, Net Rentable Area

+ References

No definition available.

+ Details

Name:	lmb_LessorOperatingLeaseNetRentableArea
Namespace Prefix:	lmb_
Data Type:	dtr-types1:areaItemType
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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

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

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482964/270-10-50-6A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479016/842-30-45-3

+ Details

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=srt_OfficeBuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_GeographicDistributionAxis=us-gaap_GeographicDistributionDomesticMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=lmb_RealEstateLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=lmb_JakeMarshallLLCJMLLCAndCoatingSolutionsLLCCSLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandAndBuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_LeaseContractualTermAxis=lmb_LeaseContractualTermOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=lmb_LeaseContractualTermTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=lmb_ACMEIndustrialPipingLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=lmb_IndustrialAirTransactionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=lmb_LeaseContractualTermThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Leases - Narrative (Details)		1 Months Ended	3 Months Ended
Leases - Narrative (Details)	Dec. 02, 2021 USD ($) extension	Jun. 30, 2021 USD ($) ft²	Mar. 31, 2025 USD ($) extension renewal_option	Mar. 31, 2024 USD ($)	Mar. 31, 2022 USD ($) ft²
Office Building \| Geographic Distribution, Domestic
Lessee, Lease, Description [Line Items]
Subleased area (in sq ft) \| ft²		71,787			16,720
Sublease annual base rent		$ 600,000			$ 800,000
Sublease annual base rent increase percentage		3.00%			3.00%
Sublease income			$ 300,000	$ 300,000
Real Estate Leases
Lessee, Lease, Description [Line Items]
Number of lease extensions \| extension			1
Jake Marshall Transaction \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Number of lease extensions \| extension	2
Lease term	10 years
Term of lease extensions	2 years
Jake Marshall Transaction \| Lease Contractual Term One \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Lease term	5 years
Monthly base rent	$ 37,500
Jake Marshall Transaction \| Lease Contractual Term Two \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Lease term	5 years
Monthly base rent	$ 45,000
ACME Industrial piping LLC \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Number of lease extensions \| extension			1
Term of lease extensions			1 year
ACME Industrial piping LLC \| Lease Contractual Term One \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Lease term			6 months
Monthly base rent			$ 17,000
ACME Industrial piping LLC \| Lease Contractual Term Two \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Lease term			6 months
Monthly base rent			$ 18,000
Industrial Air Transaction \| Lease Contractual Term One \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Lease term			33 months
Term of lease extensions			3 years
Monthly base rent			$ 26,500
Number of renewal options \| renewal_option			2
Extension period			3 years
Industrial Air Transaction \| Lease Contractual Term Two \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Monthly base rent			$ 27,563
Extension period			3 years
Industrial Air Transaction \| Lease Contractual Term Three \| Land and Building \| Full Time Employee
Lessee, Lease, Description [Line Items]
Monthly base rent			$ 28,941