Marathon Digital Holdings Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details Narrative)

Subsequent Events (Details Narrative) - USD ($)										2 Months Ended	12 Months Ended
Subsequent Events (Details Narrative) - USD ($)	Feb. 11, 2021	Jan. 25, 2021	Jan. 15, 2021	Jan. 12, 2021	Jan. 06, 2021	Jan. 04, 2021	Nov. 12, 2020	Nov. 15, 2019	Jan. 02, 2018	Mar. 14, 2021	Dec. 31, 2020	Dec. 31, 2019
Option exercise											25,000
Common stock issued during period								1,058,558			474,808	474,808
Common stock, issued during the period, value											$ 297,659,270	$ 245,494
Common stock, shares issued											81,974,619	8,458,781
Common stock, shares outstanding											81,974,619	8,458,781
Aggregate purchase price of common stock							$ 100,000,000
Purchase Agreement [Member]
Proceeds from public offering											$ 250,000,000
Letter Agreement [Member]
Fee payment description											The Company agreed to pay to the Placement Agent a cash fee of 5.0% of the aggregate gross proceeds raised in the Offering. The Company also issued to designees of the Placement Agent warrants to purchase up to 3.0% of the aggregate number of shares of Common Stock sold in the transactions, or warrants to purchase up to 375,000 shares of Common Stock (the "Placement Agent Warrants"). The Placement Agent Warrants have an exercise price equal to 125% of the offering price per share (or $25.00 per share). The Company also agreed to pay the Placement Agent $50,000 for accountable expenses, to reimburse an investor's legal fees in an amount up to $7,500 and to pay $12,900 for the Placement Agent's clearing fees. Pursuant to the terms of the Engagement Letter, the Placement Agent has the right, for a period of twelve months following the closing of the Offerings, to act (i) as financial advisor in connection with any merger, consolidation or similar business combination by the Company and (ii) as sole book-running manager, sole underwriter or sole placement agent in connection with certain debt and equity financing transactions by the Company.
Payments to legal fees											$ 12,900
Letter Agreement [Member] \| Accountable Expenses [Member]
Legal fees											50,000
Letter Agreement [Member] \| Maximum [Member]
Legal fees											$ 7,500
Warrant [Member] \| Letter Agreement [Member] \| Maximum [Member]
Warrants outstanding											375,000
2018 Equity Incentive Plan [Member]
Common stock issued during period									625,000
Common stock, issued during the period, value											$ 5,000,000
At-the-market (ATM) [Member]
Common stock issued during period											81,974,619
Common stock, issued during the period, value											$ 141,300,000
Subsequent Event [Member]
Common stock issued during period			33,981,556
Common stock, shares issued			51,403,280
Common stock, shares outstanding			51,403,280
Proceeds from public offering						$ 2,300,000
Purchased in bitcoin description		the Company announced that it has purchased 4,812.66 BTC
Aggregate purchase price of common stock		$ 150,000,000
Subsequent Event [Member] \| Securities Purchase Agreement [Member]
Sale of stock, shares				12,500,000
Sale of stock, exercise price				$ 20.00
Subsequent Event [Member] \| Stock Options [Member]
Option exercise										23,500
Subsequent Event [Member] \| Warrant [Member]
Warrants outstanding										170,904
Subsequent Event [Member] \| 2018 Equity Incentive Plan [Member]
Shares vested					566,279
Common stock issued during period	4,701,442
Subsequent Event [Member] \| At-the-market (ATM) [Member]
Offering costs				$ 200,000,000
Common stock issued during period				12,500,000
Shares issued price per share				$ 20