Long-term Debt and Capital Lease Obligations, Line of Credit Facility (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 90,000
Reserve Against line of Credit	15,000lmia_ReserveAgainstlineofCredit
Line of Credit Facility, Remaining Borrowing Capacity	75,000
Letters of Credit Outstanding, Amount	1,323
Line of Credit Facility, Current Borrowing Capacity	$ 56,728
Line of Credit Facility, Borrowing Capacity, Description	The maximum amount, less reserves, available for borrowing at levels below $30,000 are based on a sum of 45% of eligible receivables, 30% of eligible inventories and an additional amount of eligible equipment up to 20% of total borrowings under the facility. The maximum amount, less reserves, available for borrowing at levels above $30,000 are based on a sum of 75% of eligible receivables, 45% of eligible inventories and an additional amount of eligible equipment up to 20% of total borrowings under the facility.
Line of Credit Facility, Interest Rate During Period	5.10%
Commitment fee (in hundredths)	0.50%
LIBOR [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Spread over reference rate (in hundredths)	3.00%
LIBOR [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Spread over reference rate (in hundredths)	3.50%
Alternate Base Rate [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Spread over reference rate (in hundredths)	2.00%
Alternate Base Rate [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Spread over reference rate (in hundredths)	2.50%
Federal funds rate [Member]
Line of Credit Facility [Line Items]
Spread over reference rate (in hundredths)	0.50%
One Month Eurodollar [Member]
Line of Credit Facility [Line Items]
Spread over reference rate (in hundredths)	1.00%
Commitments [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee (in hundredths)	0.375%
Commitments [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee (in hundredths)	0.50%

Reserve Against line of Credit

No definition available.

Name:	lmia_ReserveAgainstlineofCredit
Namespace Prefix:	lmia_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

Description of the credit facility's borrowing capacity including discussion of how the borrowing capacity is determined (for example, borrowing capacity based on the amount of current assets).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Details

Name:	us-gaap_VariableRateAxis=lmia_FederalFundsRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_CommitmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: