SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015 Segment Location	Mar. 31, 2014	Dec. 31, 2014
SEGMENTS [Abstract]
Number of locations closed	10linc_NumberOfLocationsClosed
Number of operating segments	31us-gaap_NumberOfOperatingSegments
Number of reportable segments	3us-gaap_NumberOfReportableSegments
Summary financial information by reporting segment [Abstract]
Revenues	$ 76,720us-gaap_Revenues	$ 79,202us-gaap_Revenues
Percentage of Total Revenue (in hundredths)	100.00%linc_PercentageOfTotalRevenue	100.00%linc_PercentageOfTotalRevenue
Operating (Loss) Income	(5,438)us-gaap_OperatingIncomeLoss	(8,612)us-gaap_OperatingIncomeLoss
Assets	176,896us-gaap_Assets		213,707us-gaap_Assets
Reportable Segments [Member] \| Transportation and Skilled Trades [Member]
Summary financial information by reporting segment [Abstract]
Revenues	44,844	44,534
Percentage of Total Revenue (in hundredths)	58.50%	56.20%
Operating (Loss) Income	4,975	2,336
Assets	97,695		97,650
Reportable Segments [Member] \| Healthcare and Other Professions [Member]
Summary financial information by reporting segment [Abstract]
Revenues	31,289	33,861
Percentage of Total Revenue (in hundredths)	40.80%	42.80%
Operating (Loss) Income	(504)	(679)
Assets	62,921		62,377
Reportable Segments [Member] \| Transitional [Member]
Summary financial information by reporting segment [Abstract]
Revenues	587	807
Percentage of Total Revenue (in hundredths)	0.80%	1.00%
Operating (Loss) Income	(720)	(455)
Assets	2,108		2,184
Corporate [Member]
Summary financial information by reporting segment [Abstract]
Revenues	0	0
Percentage of Total Revenue (in hundredths)	0.00%	0.00%
Operating (Loss) Income	(9,189)	(9,814)
Assets	14,172		51,473
Discontinued Operations [Member]
Summary financial information by reporting segment [Abstract]
Assets	$ 0		$ 23

Represents the number of locations closed and online business exited.

No definition available.

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- Definition

Represents the percentage of total revenue earned in the segment.

+ References

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ 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 210.5-02.18)

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

No definition available.

+ Details

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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