The incremental borrowing rate under the lease agreement.

No definition available.

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

It represents the amount of principal payment of the lease liabilities.

+ References

No definition available.

+ Details

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Namespace Prefix:	clir_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

The percentage by which rent expense will escalate annually.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The expense charged against earnings for the periodic recognition of capitalized leases. This element may apply to energy companies that lease mineral producing properties and to other enterprises that capitalize property, plant, or equipment obtained through capital leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45031-112735

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

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Balance Type:	na
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- Definition

Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22580-107794

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
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-Paragraph 1
-Subparagraph (b)(3)
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Period Type:	instant

- Definition

Amount of the effect of a change in accounting principle on net income.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 3
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-Topic 250
-SubTopic 10
-Section 50
-Paragraph 2
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Balance Type:	credit
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=clir_LeaseTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Fixed Assets (Details Textual) - USD ($)	1 Months Ended	6 Months Ended		12 Months Ended
Fixed Assets (Details Textual) - USD ($)	Feb. 28, 2017	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Rent Expense Escalation Percentage	3.00%
Lessee Leasing Arrangements, Operating Leases, Renewal Term	3 years
Incremental Borrowing Rate				5.00%
Amortization of Leased Asset		$ 79,000	$ 70,000	$ 19,000
Principal Payment of Lease Liability				17,000
Lease One [Member]
Triple Net Operating Cost	$ 12,000
Lease Two [Member]
Triple Net Operating Cost	$ 2,000
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Income				71,000
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets				$ 447,000