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CONVERTIBLE NOTES PAYABLE - (Details Narrative) - USD ($) |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 08, 2020 | May 07, 2020 | May 06, 2020 | May 05, 2020 | Mar. 13, 2020 | Mar. 05, 2020 | Mar. 04, 2020 | Mar. 02, 2020 | Feb. 10, 2020 | Dec. 05, 2019 | Jul. 09, 2019 | Mar. 06, 2019 | Jan. 07, 2019 | Mar. 20, 2020 | Feb. 21, 2020 | Oct. 17, 2019 | Sep. 16, 2019 | Aug. 23, 2019 | Jul. 19, 2019 | Jul. 16, 2019 | Apr. 17, 2019 | Dec. 31, 2018 | Mar. 31, 2020 | Jan. 31, 2020 | Sep. 30, 2019 | Mar. 31, 2019 | Jan. 22, 2019
Common stock, shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,745,415 | 95,699 | 4,679,018 |  | 175,000
Series B preferred shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,750,000 |  | 1,000,000 |  |
$75.00 Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75 |
Warrant shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33,333 |
SPA 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate Face Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,250,000 |  |  |  |  |
Maturity period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |
Note Terms |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | The note is secured by all assets of the Company. The Debenture has a maturity date of two years from the issuance date and the Company has agreed to pay compounded interest on the unpaid principal balance of the Debenture at the rate equal 7.5% per annum. Interest is payable on the date the applicable principal is converted or on maturity. The interest must be paid in cash and, in certain circumstances, may be paid in shares of common stock. |  |  |  |  |
Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.50% |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000 |  |  |  |  |
Debt discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,995,000 |  |  |  |  |
Due diligence fees paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000 |  |  |  |  |
Tendered to company |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  |  |
Conversion terms |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | The Investor may convert the Debenture into shares of the Company’s common stock at a conversion price equal to 95% of the mathematical average of the 5 lowest individual daily volume weighted average prices of the common stock, less $0.50 per share, during the period beginning on the issuance date and ending on the maturity date subject to certain floor price restrictions. In the event certain equity conditions exist, the Company may require that the Investor convert the Debenture. In no event shall the Debenture be allowed to affect a conversion if such conversion, along with all other shares of Company common stock beneficially owned by the Investor and its affiliates would exceed 4.99% of the outstanding shares of the common stock of the Company. While the note is outstanding if Triggering Events occur the conversion rate may be decreased by 10% and the interest rate increased by 10% for each Triggering Event. |  |  |  |  |
Percent adjustment to conversion and interest rate upon default |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.10 |  |  |  |  |
Debt discount charged as financing expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 355,972 |  |  |  |
SPA 1 | Conversion 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal converted |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest converted |  |  |  |  |  |  |  |  |  |  |  |  | $ 875,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  |  | 178,473 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  | $ 18.90 |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Conversion 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal converted |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest converted |  |  |  |  |  |  |  |  |  |  |  | $ 375,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  | 71,389 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  | $ 18.90 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  | 45,614 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  | $ 15.06 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,246 |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15.06 |  |  |  |  |  |  |
SPA 1 | Conversion 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal converted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |
Interest converted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 175,000 |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 45,109 |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15.00 |  |  |  |  |  |  |  |
SPA 1 | Conversion 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal converted |  |  |  | $ 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest converted |  |  |  | $ 112,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  | 575,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Conversion 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal converted |  |  | $ 600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest converted |  |  | $ 90,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  | 460,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Conversion 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal converted |  | $ 595,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest converted |  | $ 87,250 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  | 456,167 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Conversion 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal converted | $ 350,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest converted | $ 52,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion | 268,333 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 43,721 |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7.60 |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 61,500 |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7.30 |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90,000 |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3.74 |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  | 97,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  | $ 3.15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  | $ 3.15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 108,770 |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.69 |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  | 167,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  | $ 1.87 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  | 54,835 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  | $ 1.83 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 11 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  | 116,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  | $ 1.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | Issuance 12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued in conversion |  |  |  |  |  |  |  |  |  |  |  |  |  | 163,800 |  |  |  |  |  |  |  |  |  |  |  |  |
Effective conversion price per share |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.50 |  |  |  |  |  |  |  |  |  |  |  |  |
SPA 1 | $20.00 Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20 |
Warrant shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 125,000 |
SPA 1 | $25.00 Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25 |
Warrant shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 |
SPA 1 | $50.00 Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50 |
Warrant shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 |
SPA 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate Face Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,750,000 |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,000,000 |  |  |  |  |  |
Maturity period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |  |  |
Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.50% |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 125,000 |  |  |  |  |  |
Common stock, shares issued, cash only basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 230,000 |  |  |  |  |  |
Tendered to company |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |  |
Conversion terms |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | The Investor may convert the Debenture into shares of the Company’s common stock at a conversion price equal to 90% of the mathematical average of the 5 lowest individual daily volume weighted average prices of the common stock, less $0.75 per share, during the period beginning on the issuance date and ending on the maturity date subject to certain floor price restrictions. In the event certain equity conditions exist, the Company may require that the Investor convert the Debenture. In no event shall the Debenture be allowed to effect a conversion if such conversion, along with all other shares of Company common stock beneficially owned by the Investor and its affiliates would exceed 4.99% of the outstanding shares of the common stock of the Company. While the note is outstanding if Triggering Events occur the conversion rate may be decreased by 10% and the interest rate increased by 10% for each Triggering Event. |  |  |  |  |  |
Percent adjustment to conversion and interest rate upon default |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.10 |  |  |  |  |  |
Debt discount charged as financing expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,694,863 |  |  |  |
Series B preferred shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 215 |  |  |  |  |  |
Series B preferred shares issued, original issue discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.075 |  |  |  |  |  |
Default Trigger Original |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion terms |  |  |  |  |  |  | While the note is outstanding if Triggering Events occur the conversion rate may be decreased by 10% and the interest rate increased by 10% for each Triggering Event. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price of common stock default trigger |  |  |  |  |  |  | 500.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Default Trigger Amended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price of common stock default trigger |  |  |  |  |  |  | 175.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- References No definition available. + Details
Name: | CLSK_CashOnlyBasisToAquireShares
Namespace Prefix: | CLSK_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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