Fair Value Measurements - Narrative (Details)				3 Months Ended			6 Months Ended		11 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares	May 22, 2020 USD ($) $ / shares shares	May 15, 2020 shares	Jun. 30, 2020 USD ($) $ / shares shares	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) $ / shares shares	Jun. 30, 2019 USD ($)	Jun. 30, 2019 shares	May 26, 2020 USD ($)	Mar. 20, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 30, 2019 USD ($)	Dec. 19, 2019 USD ($)	Oct. 14, 2019 USD ($)	Aug. 30, 2019 USD ($)	May 31, 2019 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Issuance of convertible preferred stock	$ 0			$ 0			$ 0					$ 0
Additional other (expense) income							$ 1,335,929	$ 0
Tonogold preferred shares (in shares) | shares	0			0			0					0
Common shares of Tonogold (in shares) | shares	28,815,000			28,815,000			28,815,000					27,236,489
Fair value											$ 1,200,000
Change in estimated fair value of contingent forward asset				$ 351,091	$ 1,100,000	$ 0	$ 1,413,382	$ 0
Number of shares sold (in shares) | shares									2,327,400
Long-term debt at fair value	$ 5,200,000			$ 5,200,000			$ 5,200,000					$ 5,100,000
Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Closing stock price (in dollars per share) | $ / shares	$ 0.41	$ 0.18		$ 0.41			$ 0.41				$ 0.40	$ 0.18
Issuance of convertible preferred stock													$ 100,000	$ 500,000	$ 750,000	$ 830,000	$ 3,920,000
Additional other (expense) income				$ (300,000)			$ (100,000)
Amount agreed to be added to the purchase price		$ 1,100,000
Tonogold preferred shares (in shares) | shares		1,100
Common shares of Tonogold (in shares) | shares		6,111,111
Number of shares sold (in shares) | shares	107,071
Pelen LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Closing stock price (in dollars per share) | $ / shares												$ 0.47
MCU
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Closing stock price (in dollars per share) | $ / shares	$ 0.95			$ 0.95			$ 0.95
Number of shares sold (in shares) | shares			625,000	900,000
Net proceeds of shares sold				$ 465,127
Make-whole liability	$ 0			$ 0			$ 0			$ 384,873
Common Share Price
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | $ / shares	0.41			0.41			0.41
Common Share Price | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | $ / shares											0.41
Volatility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.98			0.98			0.98
Volatility | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input											0.940
Risk-Free Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.0018			0.0018			0.0018
Risk-Free Rate | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input											0.0016
Cost of Debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.1444			0.1444			0.1444
Cost of Debt | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input											0.1444
Private Placement Conversion Price
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | $ / shares	0.18			0.18			0.18
Private Placement Conversion Price | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | $ / shares											0.300
Redemption Probability Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.50			0.50			0.50
Percentage of 20-Day Volume-Weighted Closing Price
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input		0.85
Probability of Prepayment | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | $ / shares											0.05
Probability of Change in Control | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input											0.05
Probability of Default | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input											0.29
Minimum | Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.05			0.05			0.05
Maximum | Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.15			0.15			0.15
Estimate of Fair Value Measurement | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Issuance of convertible preferred stock												$ 7,600,000
Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Issuance of convertible preferred stock	$ 6,100,000			$ 6,100,000			$ 6,100,000
Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in estimated fair value of contingent forward asset				$ 400,000
Convertible Debt | Tonogold Resources, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount											$ 5,475,000