Name:	clir_IncreaseInDeferredRent
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Obligation to pay company's common stock at fair value.

No definition available.

Name:	clir_ObligationToPayInCommonStockAtFairValue
Namespace Prefix:	clir_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The decrease during the reporting period in the amount due that is the result of the cumulative difference between actual rent due and rental income recognized on a straight-line basis.

No definition available.

Name:	clir_ReductionInDeferredRent
Namespace Prefix:	clir_
Data Type:	xbrli:monetaryItemType
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The percentage by which rent expense will escalate annually.

No definition available.

Name:	clir_RentExpenseEscalationPercentage
Namespace Prefix:	clir_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The amount of triple net operating cost payable during the period.

No definition available.

Name:	clir_TripleNetOperatingCost
Namespace Prefix:	clir_
Data Type:	xbrli:monetaryItemType
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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

No definition available.

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including equity-based compensation, and pension and other postretirement benefit expense.

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 210.5-03.4)

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

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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Expenditures for salaries for officers and non-officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold.

No definition available.

Name:	us-gaap_SalariesWagesAndOfficersCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901