Acquisitions and Transactions (Details) (USD $)	0 Months Ended
Sep. 15, 2012	Sep. 04, 2012
Acquisitions and Transactions
Purchase price		$ 13,100,000
Purchase price paid concurrently with closing	12,600,000
Amount placed under escrow fund		500,000
Earn-out payments during the remainder of 2012		400,000
Earn-out payments during 2013		500,000
Contingent consideration		$ 900,000

Amount of cash paid to acquire finite-lived intangible assets.

No definition available.

Name:	chke_AcquiredFiniteLivedIntangibleAssetCashPaid
Namespace Prefix:	chke_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement relating to the acquisition of finite lived intangible assets.

+ References

No definition available.

+ Details

Name:	chke_AcquiredFiniteLivedIntangibleAssetContingentConsiderationPotentialCashPayment
Namespace Prefix:	chke_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement to be paid in the calendar year of the acquisition.

+ References

No definition available.

+ Details

Name:	chke_AcquiredFiniteLivedIntangibleAssetContingentConsiderationPotentialCashPaymentCurrentCalendarYear
Namespace Prefix:	chke_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement to be paid in the next calendar year following the acquisition.

+ References

No definition available.

+ Details

Name:	chke_AcquiredFiniteLivedIntangibleAssetContingentConsiderationPotentialCashPaymentNextCalendarYear
Namespace Prefix:	chke_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 44

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_EscrowDeposit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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