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Cover - shares
6 Months Ended
Mar. 31, 2021
May 06, 2021
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2021  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2021  
Current Fiscal Year End Date --09-30  
Entity File Number 001-39187  
Entity Registrant Name CleanSpark, Inc.  
Entity Central Index Key 0000827876  
Entity Tax Identification Number 87-0449945  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 1185 S. 1800 W.  
Entity Address, Address Line Two Suite 3  
Entity Address, City or Town Woods Cross  
Entity Address, State or Province UT  
Entity Address, Postal Zip Code 84087  
City Area Code (702)  
Local Phone Number 941-8047  
Title of 12(b) Security Common Stock, par value $0.001 per share  
Trading Symbol CLSK  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   34,017,796