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Condensed Consolidated Statement of Stockholders' Equity (Parenthetical) - $ / shares | 3 Months Ended
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Jun. 30, 2024 | Mar. 31, 2024 | 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
Common stock for services two | $ 0.81 | $ 0.81 |  |

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- Definition Per share value of common share granted (first issue) during the period for services. + References No definition available. + Details
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Namespace Prefix: | clir_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share value of common share granted during the period for services. + References No definition available. + Details
Name: | clir_CommonStockForServicesPerShareIssueTwo
Namespace Prefix: | clir_
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

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- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration