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Fair Value Measurements | 9 Months Ended
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Sep. 30, 2024
Fair Value Disclosures [Abstract] |
Fair Value Disclosures | Fair Value Measurements The authoritative guidance for fair value measurements establishes a three tier fair value hierarchy, which prioritizes the inputs used in measuring fair value. These tiers include: Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions. Assets and Liabilities that are Measured at Fair Value on a Recurring Basis The Company’s consolidated financial instruments include cash equivalents, investment in equity securities, accounts payable, accrued liabilities, and warrant liabilities. Fair value estimates of these instruments are made at a specific point in time, based on relevant market information. These estimates may be subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. The carrying amount of cash equivalents, accounts payable and accrued liabilities are generally considered to be representative of their respective fair values because of the short-term nature of those instruments. The following tables provide a summary of the assets and liabilities that are measured at fair value on a recurring basis (in thousands):
| September 30, 2024
| Fair Value |  | Level 1 |  | Level 2 |  | Level 3
Assets: |  |  |  |  |  |  |
Investment in equity securities | $ | 6,950 |  |  | $ | 6,950 |  |  | $ | — |  |  | $ | — |
Bitcoin | 79 |  |  | 79 |  |  | — |  |  | — |
Total | $ | 7,029 |  |  | $ | 7,029 |  |  | $ | — |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |
Warrant liabilities | $ | 32 |  |  | $ | — |  |  | $ | — |  |  | $ | 32 |
| December 31, 2023
| Fair Value |  | Level 1 |  | Level 2 |  | Level 3
Liabilities: |  |  |  |  |  |  |
Warrant liabilities | $ | 205 |  |  | $ | — |  |  | $ | — |  |  | $ | 205 |
The Company’s investments are in publicly held equity securities which have readily determinable fair values. For the three and nine months ended September 30, 2024, the Company recognized an unrealized loss of $0.4 million and gain of $4.1 million, respectively, within other income (expense) in its consolidated statements of operations related to the fair value change of the investment in equity securities. For the three and nine months ended September 30, 2024, the Company recognized a realized gain of $2.9 million and $3.4 million, respectively, within other income (expense) in its consolidated statements of operations related to the sale of equity securities. The fair value of the warrant liabilities was measured using a Black Scholes valuation model with the following assumptions:
| September 30, 2024 |  | December 31, 2023
Common share price | $ | 0.93 |  |  | $ | 3.47 |
Expected volatility | 120.0 | % |  | 120.0 | %
Risk-free interest rate | 3.8 | % |  | 4.2 | %
The following table presents the activities of warrant liabilities that are measured at fair value (in thousands):
Warrant liability as of January 1, 2024 |  | $ | 205 |
Change in fair value LDA warrant |  | (129) |
Warrant liability as of March 31, 2024 |  | 76 |
Change in fair value LDA warrant |  | (32) |
Warrant liability as of June 30, 2024 |  | 44 |
Change in fair value LDA warrant |  | (12) |
Warrant liability as of September 30, 2024 |  | $ | 32 |
Assets and Liabilities that are Measured at Fair Value on a Nonrecurring Basis The Company's non-financial assets such as property and equipment and intangible assets are recorded at fair value when an impairment is recognized or at the time acquired in an asset acquisition or business combination measured using significant unobservable inputs (Level 3). As discussed in Note 6 - Certain Balance Sheet Items, for the nine months ended September 30, 2024, the Company recorded impairment charges associated with property and equipment and reduced the carrying amount of such assets subject to the impairment to their estimated fair value.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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