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Condensed Consolidated Statement of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
Statement of Stockholders' Equity [Abstract]
Share price of shares issued upon exercise of options (in dollars per share)		$ 0.54
Common stock issued for services one	$ 0.66	$ 0.66	$ 0.66

X

- Definition

Per share value of common share granted (first issue) during the period for services.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

It represents information about stock issued during period shares upon exercise of options per share one

+ References

No definition available.

+ Details

Name:	clir_StockIssuedDuringPeriodSharesUponExerciseOfOptionsPerShareOne
Namespace Prefix:	clir_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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