Debt instrument basis spread on variable prime rate.

No definition available.

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Namespace Prefix:	icge_
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Period Type:	duration

- Definition

Debt instrument basis spread on variable rate prime rate one.

+ References

No definition available.

+ Details

Name:	icge_DebtInstrumentBasisSpreadOnVariableRatePrimeRateOne
Namespace Prefix:	icge_
Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13476-108611

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

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

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: 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_LineOfCreditFacilityAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

+ Details

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

- 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

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

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

Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended						9 Months Ended			9 Months Ended
	Sep. 30, 2013 Horizon	Dec. 31, 2012 Horizon	Sep. 30, 2013 Horizon Revolving Credit Facility	Oct. 22, 2012 Horizon Revolving Credit Facility	Sep. 30, 2013 Horizon Term Loan Credit Facility	Oct. 22, 2012 Horizon Term Loan Credit Facility	Sep. 30, 2013 Neurone	Sep. 30, 2013 Neurone Term Loan Credit Facility	Aug. 09, 2013 Neurone Term Loan Credit Facility	Sep. 30, 2013 Venture Bank	Sep. 30, 2013 Venture Bank Minimum	Sep. 30, 2013 Venture Bank Revolving Credit Facility	Nov. 30, 2012 Venture Bank Revolving Credit Facility	Sep. 30, 2013 Venture Bank Term Loan Credit Facility	Dec. 31, 2012 Venture Bank Term Loan Credit Facility	Nov. 30, 2012 Venture Bank Term Loan Credit Facility
Line Of Credit Facility [Line Items]
Line of credit				$ 5.0		$ 5.0			$ 0.5				$ 2.0			$ 2.5
Fair value of line of credit	9.5	9.8					0.5
Loan interest rate	11.65%						8.00%
Loans maturity date	May 01, 2016						Aug. 09, 2014			Nov. 30, 2017
Line of credit outstanding amount			5.0		5.0			0.5				0.8		2.3	2.5
Prime rate										Prime rate plus 2.0%
Prime rate percentage										2.00%	5.50%
Debt instrument fair value												$ 0.8		$ 2.3	$ 2.4