XML 49 R37.htm IDEA: XBRL DOCUMENT v3.10.0.1

Contracts in Progress (Details Textual) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Subcontract Payable Retainage	$ 11.2	$ 11.2	$ 11.1
Gross profit write Up	0.4	0.6
Five construction projects [Member]
Gross profit write down	3.9	8.0
Service project write down		0.9
Four construction projects [Member]
Gross profit write Up	$ 0.4	$ 2.4

X

- Definition

It represents gross profit write down.

+ References

No definition available.

+ Details

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

X

- Definition

It represents gross profit write up.

+ References

No definition available.

+ Details

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

X

- Definition

It represents service project write down.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of retainage payable that have been withheld because of retainage provisions in a contract.

+ References

No definition available.

+ Details

Name:	lmb_SubcontractPayableRetainage
Namespace Prefix:	lmb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_UnderlyingAssetClassAxis=lmb_FiveConstructionProjectsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_UnderlyingAssetClassAxis=lmb_FourConstructionProjectsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: