The number of shares received for consideration.

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Fair value portion of amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties.

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Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Number of shares of investment owned.

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Fair value measurements (Details) - USD ($) $ in Thousands	3 Months Ended
Fair value measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Fair value measurements
Changes in estimates, and other	$ 0	$ 0
Fabled Copper Corp. \| Sale, not discontinued operations \| Binding Letter of Intent Agreement
Fair value Assumptions
Consideration received in shares \| shares	200,000
Level 1 \| Fabled Copper Corp. \| Binding Letter of Intent Agreement
Fair value Assumptions
Investment shares held (in shares)			20,000
Fair Value, Measurements, Recurring
Fair value measurements
Cash and cash equivalents	$ 2,435		$ 3,766
Accounts receivable			11
Assets	2,435		3,777
Fair Value, Measurements, Recurring \| Level 1
Fair value measurements
Cash and cash equivalents	2,435		3,766
Accounts receivable			11
Assets	$ 2,435		$ 3,777