Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Narrative)

v3.20.2
Subsequent Events (Details Narrative) - USD ($)
9 Months Ended
Nov. 12, 2020
Oct. 06, 2020
Nov. 15, 2019
Sep. 30, 2020
Sep. 30, 2019
Purchase of mining infrastructure and equipment       $ 13,269,670
Common stock issued during period     1,058,558    
Subsequent Event [Member]          
Common stock issued during period 15,622,638        
Description of share issuance As of the November 12, 2020, the Company has sold 15,622,638 shares of its common stock for an aggregate purchase price of $46,642,057 under our 2020 At the Market Offering pursuant to our registration statement on Form S-3 declared effective by the SEC on August 6, 2020, and the Company may sell up to an additional $53,357,943 of its securities thereunder (for an aggregate total of $100 million originally available for sale under the shelf offering).        
Aggregate purchase price of common stock $ 46,642,057        
Subsequent Event [Member] | Power Purchase Agreement [Member]          
Term of agreement   5 years      
Purchase of mining infrastructure and equipment   $ 750,000      
Subsequent Event [Member] | Data Facility Services Agreement [Member]          
Common stock issued during period   3,000,000      
Description of share issuance   Upon completion of Phase I, Marathon will issue to Beowulf an additional 150,000 shares of its common stock. During Phase II, Marathon will issue to Beowulf an additional 350,000 shares of its common stock – 150,000 shares upon reaching 60 MW of Facility load and 200,000 at completion of the full 100 MW of Facility load. The cost to maintain and run the Facility will be $0.006/kWh.      
Subsequent Event [Member] | Data Facility Services Agreement [Member] | Beowulf Energy LLC [Member]          
Common stock issued during period   3,000,000      
Subsequent Event [Member] | Data Facility Services Agreement [Member] | Beowulf Energy LLC [Member] | Phase I [Member]          
Common stock issued during period   150,000      
Subsequent Event [Member] | Data Facility Services Agreement [Member] | Beowulf Energy LLC [Member] | Phase II [Member]          
Common stock issued during period   350,000      
Subsequent Event [Member] | Data Facility Services Agreement [Member] | Two Point One, LLC [Member]          
Common stock issued during period   3,000,000      
Subsequent Event [Member] | Phase 1 [Member]          
Build out cost   $ 14,000,000      
Subsequent Event [Member] | Phase 2 [Member] | Minimum [Member]          
Build out cost   200,000      
Subsequent Event [Member] | Phase 2 [Member] | Maximum [Member]          
Build out cost   $ 250,000      
Subsequent Event [Member] | 60 MW of Facility Load [Member] | Data Facility Services Agreement [Member] | Beowulf Energy LLC [Member] | Phase I [Member]          
Common stock issued during period   150,000      
Subsequent Event [Member] | 100 MW of Facility Load [Member] | Data Facility Services Agreement [Member] | Beowulf Energy LLC [Member] | Phase I [Member]          
Common stock issued during period   200,000