XML 33 R17.htm IDEA: XBRL DOCUMENT v3.25.1

Retirement Plan	12 Months Ended
	Dec. 31, 2024
Retirement Plan
Retirement Plan	Note 10 – Retirement Plan ​ The Company has a defined contribution retirement plan covering all of its U.S. employees whereby the Company matches employee contributions up to 3% of their base salary. The Company’s matching contribution expense totaled $68 thousand and $64 thousand during the years ended December 31, 2024 and 2023, respectively. ​

X

- References

No definition available.

+ Details

Name:	clir_RetirementPlanAbstract
Namespace Prefix:	clir_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for a retirement plan.

+ References

No definition available.

+ Details

Name:	clir_RetirementPlanTextBlock
Namespace Prefix:	clir_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration