v3.25.4

14. REVENUE AND VENDOR CONCENTRATIONS (Details Narrative) - Operator | 3 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Product Information [Line Items] |  |
Representation of company's revenue, percent | 100.00% | 100.00%
Bitcoin |  |
Product Information [Line Items] |  |
Representation of company's revenue, percent | 100.00% | 100.00%
Mining pool operator |  |
Product Information [Line Items] |  |
Mining pool operator | 1 | 1

X
- Definition Mining pool operator + References No definition available. + Details
Name: | clsk_MiningPoolOperator
Namespace Prefix: | clsk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Representation of company's revenue, percent + References No definition available. + Details
Name: | clsk_RepresentationOfCompanysRevenuePercent
Namespace Prefix: | clsk_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ProductInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=clsk_BitcoinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=clsk_MiningPoolOperatorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |