Subsequent Events - Additional Information (Detail)									9 Months Ended
	Nov. 04, 2021 USD ($) shares	Oct. 28, 2021 Day $ / shares shares	Oct. 27, 2021 USD ($) Time shares	Oct. 20, 2021 shares	Oct. 19, 2021 USD ($) $ / shares shares	Oct. 18, 2021 $ / shares shares	Oct. 15, 2021 USD ($)	Oct. 06, 2021 USD ($) BitcoinMachine Container	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 USD ($) $ / shares shares	Dec. 31, 2020 $ / shares
Subsequent Event [Line Items]
Common stock, par value | $ / shares									$ 0.001		$ 0.001
Proceeds from stock subscription | $										$ 9,447,535
Aggregate purchase price of asset | $									$ 4,207	$ 1,286
Options granted to purchase common stock
Weighted Average Exercise Price, Granted | $ / shares									$ 0	$ 0
Subsequent Event | 2021 Omnibus Incentive Plan [Member]
Subsequent Event [Line Items]
Plan description			The Plan became effective on October 27, 2021, provided that no options or stock appreciation rights granted under the Plan will be exercisable and no shares or restricted stock units may be granted under the Plan unless and until the Plan has been approved by the stockholders of the Company, which approval must occur on or within twelve (12) months of the date on which the Plan became effective.
Subsequent Event | Second Bitmain Purchase Agreement [Member]
Subsequent Event [Line Items]
Cryptocurrency mining machines | BitcoinMachine								4,044
Mining machines delivery timeframe description								The Second Bitmain Purchase Agreement provides for delivery of the Mining Machines in batches over an estimated delivery timeframe starting in April 2022 and continuing through September 2022
Subsequent Event | Second Bitmain Purchase Agreement [Member] | Mining Machine [Member]
Subsequent Event [Line Items]
Aggregate purchase price of asset | $								$ 25,300,000
Payment require to payable to acquire assets | $								$ 6,300,000
Percentage of first payment require payable to acquire assets								25.00%
Percentage of second payment require payable to acquire assets								35.00%
Percentage of third payment require payable to acquire assets								40.00%
Aggregate purchase price of asset | $							$ 6,300,000
Subsequent Event | Uptime Purchase Agreement [Member] | Pod5ive Containers [Member]
Subsequent Event [Line Items]
Aggregate purchase price of asset | $								$ 3,125,000
Payment require to payable to acquire assets | $								$ 2,300,000
Percentage of first payment require payable to acquire assets								75.00%
Percentage of second payment require payable to acquire assets								25.00%
Aggregate purchase price of asset | $							$ 2,300,000
Pod5ive cargo containers | Container								18
Subsequent Event | Hosting Agreement [Member]
Subsequent Event [Line Items]
Contract description								US Digital also entered into a hosting agreement (“Hosting Agreement”) with Uptime Hosting LLC to host the Company’s 18 POD5ive containers at a secure location and provide power, maintenance and other services specified in the contract for 6 cents per kilowatt with a term of one year
Subsequent Event | Hosting Agreement [Member] | Pod5ive Containers [Member]
Subsequent Event [Line Items]
Term of contract								1 year
Subsequent Event | Strategic Alliance Agreements [Member] | OTC Miners Corp. [Member]
Subsequent Event [Line Items]
Term of contract	1 year
Expected payment for activity expenses | $	$ 1,250,000
Percentage of fee agreed to pay on consideration of transaction	3.00%
Subsequent Event | Strategic Alliance Agreements [Member] | Spartan Crest Capital Corp. [Member]
Subsequent Event [Line Items]
Term of contract	1 year
Subsequent Event | Strategic Alliance Agreements [Member] | Restricted Stock [Member] | OTC Miners Corp. [Member]
Subsequent Event [Line Items]
Common stock shares to be issued	100,000
Subsequent Event | Strategic Alliance Agreements [Member] | Restricted Stock [Member] | Spartan Crest Capital Corp. [Member]
Subsequent Event [Line Items]
Common stock shares to be issued	100,000
Subsequent Event | Management Employment Contract [Member] | Bruce Rodgers [Member]
Subsequent Event [Line Items]
Agreed annual base salary | $			$ 750,000
Lump-sum cash bonus if change of control does not involve company sale | $			$ 15,000,000
Percentage of transaction value as bonus if change of control due to company sale			2.00%
Minimum notice period given prior to renewal date			30 days
Period of receipt of base salary after termination if terminated "without cause" or terminates his own employment for "good reason event"			36 months
Agreement expiration date			Sep. 30, 2023
Subsequent Event | Management Employment Contract [Member] | Richard Russell [Member]
Subsequent Event [Line Items]
Agreed annual base salary | $			$ 500,000
Lump-sum cash bonus if change of control does not involve company sale | $			$ 10,000,000
Percentage of transaction value as bonus if change of control due to company sale			2.00%
Minimum notice period given prior to renewal date			30 days
Period of receipt of base salary after termination if terminated "without cause" or terminates his own employment for "good reason event"			36 months
Agreement expiration date			Sep. 30, 2023
Subsequent Event | Management Employment Contract [Member] | Ryan Duran [Member]
Subsequent Event [Line Items]
Agreed annual base salary | $			$ 175,000
Minimum notice period given prior to renewal date			30 days
Agreement expiration date			Sep. 30, 2023
Number of times of base salary as severance payment if terminated "without cause" or terminates his own employment for "good reason event" | Time			3
Subsequent Event | Management Employment Contract [Member] | 2021 Omnibus Incentive Plan [Member]
Subsequent Event [Line Items]
Weighted Average Exercise Price, Granted | $ / shares		$ 5.95
Period within plan to be approved by stockholders for exercise of options granted		1 year
Options vest ratio on first anniversary of date of grant		0.333
Options vest ratio on monthly basis thereafter		0.027
Closing price of common stock to be achieved for vesting of unvested options | $ / shares		$ 12.00
Number of consecutive trading days to be considered for closing price of common stock | Day		10
Contractual term of options granted		10 years
Period within options early expire after termination of employment		90 days
Period within options early expire due to death or disability		12 months
Subsequent Event | Management Employment Contract [Member] | 2021 Omnibus Incentive Plan [Member] | Bruce Rodgers [Member]
Subsequent Event [Line Items]
Fully vested restricted shares reserved for grant			48,662
Options granted to purchase common stock		1,800,000
Subsequent Event | Management Employment Contract [Member] | 2021 Omnibus Incentive Plan [Member] | Richard Russell [Member]
Subsequent Event [Line Items]
Fully vested restricted shares reserved for grant			25,279
Options granted to purchase common stock		1,800,000
Subsequent Event | Management Employment Contract [Member] | 2021 Omnibus Incentive Plan [Member] | Ryan Duran [Member]
Subsequent Event [Line Items]
Options granted to purchase common stock		175,000
Subsequent Event | Common Warrants [Member]
Subsequent Event [Line Items]
Class of warrant or right number of securities called by each warrant or right					1
Warrant Exercise Price | $ / shares					$ 5.00
Subsequent Event | Underwritten Public Offering [Member]
Subsequent Event [Line Items]
Common stock, par value | $ / shares						$ 0.001
Stock issued for services, shares						6,315,780
Class of warrant or right number of securities called by each warrant or right						1
Shares issued, price per share | $ / shares						$ 4.75
Proceeds from stock subscription | $					$ 30,000,000
Additional shares of common stock issued					947,367
Percentage of underwriting discount on public offering price					8.00%
Warrants to purchase share of common stock, percent					3.00%
Subsequent Event | Underwritten Public Offering [Member] | Common Warrants [Member]
Subsequent Event [Line Items]
Class of warrant or right number of securities called by each warrant or right						1
Subsequent Event | Underwritten Public Offering [Member] | Representative's Warrant [Member]
Subsequent Event [Line Items]
Warrants issued to purchase of common stock					217,894
Warrant Exercise Price | $ / shares					$ 5.94
Exercise price percent on offering price					110.00%
Warrants exercisable date					Apr. 16, 2025
Subsequent Event | Over-Allotment Option
Subsequent Event [Line Items]
Warrants issued to purchase of common stock					947,367
Number of additional shares issued in Transaction				947,367
Subsequent Event | Over-Allotment Option | Option Warrants [Member]
Subsequent Event [Line Items]
Warrants issued to purchase of common stock					947,367