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12.5% Senior Secured Notes and Loans Payable - Narrative (Details)				12 Months Ended
	Oct. 07, 2021 USD ($) payment	Nov. 03, 2020 USD ($) shares	Jul. 15, 2019 USD ($) $ / shares shares	Jun. 30, 2025	Sep. 30, 2022	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($)	Aug. 06, 2021 USD ($) shares
Debt Instrument [Line Items]
Warrants issued (in shares) \| shares			2,000,000
Exercise price of warrants (in usd per share) \| $ / shares			$ 0.001
Net proceeds from issuance of initial notes, warrants and first offer rights			$ 66,082,000
Retirement of debt						$ 0	$ 22,500,000
Premium on early retirement of debt		$ 2,250,000				2,250,000
Consent fee payment						0	2,250,000
Loss on the extinguishment of debt						13,822,000	0
Amortization of debt issuance costs and discounts						$ 3,731,000	2,587,000
Forecast
Debt Instrument [Line Items]
Principal payments, percentage of face amount				40.00%	10.00%
Maximum \| Marathon Pangolin Royalty LLC
Debt Instrument [Line Items]
Percentage of cash proceeds						30.00%
Senior Notes
Debt Instrument [Line Items]
Proceeds from issuance of debt		4,000,000
Payments of loan costs		$ 220,000
Senior Secured Notes Due 2025
Debt Instrument [Line Items]
Principal amount			70,000,000
Warrants issued (in shares) \| shares						2,000,000		714,000
Exercise price of warrants (in usd per share) \| $ / shares						$ 1.000
Warrants issued to purchase common stock (in shares) \| shares		143,000,000
Additional borrowing capacity								$ 30,000,000
Redemption percentage of debt under change of control provisions						101.00%
Amortization of debt issuance costs and discounts						$ 3,572,000	2,587,000
Unamortized deferred debt issuance cost and deferred debt discounts						43,000	14,596,000
Senior Secured Notes Due 2025 \| Put Option
Debt Instrument [Line Items]
Fair value						127,000
Senior Secured Notes Due 2025 \| Put Option \| Accrued Expenses
Debt Instrument [Line Items]
Fair value						29,000
Senior Secured Notes Due 2025 \| Put Option \| Other Noncurrent Liabilities
Debt Instrument [Line Items]
Fair value						$ 98,000	420,000
Senior Secured Notes Due 2025 \| Maximum
Debt Instrument [Line Items]
Principal amount			$ 100,000,000
Elective redemption percentage of debt						112.50%
Senior Secured Notes Due 2025 \| Minimum
Debt Instrument [Line Items]
Elective redemption percentage of debt						101.56%
Senior Secured Notes Due 2025 \| Senior Notes
Debt Instrument [Line Items]
Interest rate			12.50%
Retirement of debt		$ 22,500,000
Long-term debt		$ 70,000,000					$ 51,500,000
Repurchase price percentage						112.50%
Redemption period threshold for make whole fee			2 years
Consent fee payment	$ 2,700,000
Number of quarterly payments \| payment	4
Senior Secured Notes Due 2025 - First Additional Offering
Debt Instrument [Line Items]
Additional borrowing capacity								10,000,000
Senior Secured Notes Due 2025 - Second Additional Offering
Debt Instrument [Line Items]
Additional borrowing capacity								$ 20,000,000