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General (Policies) | 6 Months Ended
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Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Basis of Presentation | Basis of Presentation The accompanying interim unaudited condensed consolidated financial statements include the accounts of the Company and its subsidiaries, and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary to state fairly the Company’s consolidated financial position as of June 30, 2026, results of operations, comprehensive loss, and stockholders’ equity for the three and six months ended June 30, 2025 and 2026, and cash flows for the six months ended June 30, 2025 and 2026. All intercompany accounts and transactions have been eliminated in consolidation. The results of operations for the three and six months ended June 30, 2025 and 2026 are not necessarily indicative of the results to be expected for the year ending December 31, 2026 or for any other interim period or any future year. Certain information and disclosures normally included in the notes to consolidated financial statements have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”), but the resultant disclosures contained herein are in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) as they apply to interim reporting. The accompanying condensed consolidated financial statements should be read in conjunction with the consolidated financial statements as of and for the year ended December 31, 2025 that are included in the Company’s Annual Report on Form 10-K filed with the SEC on February 24, 2026.
Use of Estimates | Use of Estimates The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the accompanying condensed consolidated financial statements and these notes. Actual results could differ from those estimates and may result in material effects on the Company’s operating results and financial position. Significant estimates made in preparing the accompanying condensed consolidated financial statements include (but are not limited to) those related to revenue recognition, fair value measurements, goodwill and long-lived asset valuations and impairment assessments, income tax valuations, stock-based compensation expense and stock-based sales incentive charges.
Amazon Warrant | Amazon Warrant The Amazon Warrant (defined in Note 14) is accounted for as an equity instrument and measured in accordance with Accounting Standards Codification (“ASC”) 718, Compensation – Stock Compensation. This instrument is classified in the condensed consolidated statements of operations in accordance with ASC 606, Revenue from Contracts with Customers, which states that for awards granted to a customer that are not in exchange for distinct goods or services, the fair value of the awards earned based on service or performance conditions is recorded as a reduction of the transaction price. To determine the fair value of the Amazon Warrant in accordance with ASC 718, the Company used the Black-Scholes option pricing model, which is based in part on assumptions that require management to use judgment. Based on the fair value of the award, the Company determines the amount of non-cash stock-based sales incentive charges on the customer’s pro-rata achievement of vesting conditions, which is recorded as a reduction of revenue in the condensed consolidated statements of operations. See Note 14 for additional information.
Tourmaline Joint Development | Tourmaline Joint Development In April 2023, the Company and Tourmaline Oil Corp. (“Tourmaline”) announced a CAD $70 million Joint Development Agreement to build and operate a network of CNG stations along key highway corridors across Western Canada. Under a 50-50 shared investment, the Company and Tourmaline expect to construct and commission up to 20 CNG fueling stations by April 2028, allowing heavy-duty trucks and other commercial transportation fleets that operate in the area to transition to the use of CNG, a lower carbon alternative to gasoline and diesel. Costs associated with station construction and profit and loss arising from station operation are shared 50-50 between the Company and Tourmaline. This arrangement between the Company and Tourmaline to jointly develop, build and operate CNG fueling stations is accounted for in accordance with ASC 808, Collaborative Arrangements, which states that (1) costs incurred and revenue generated from transactions with third parties be separately recorded by each participant in its own financial statements, (2) the participant who is deemed to be the principal for a given transaction under ASC 606, Revenue from Contracts with Customers, will record the transaction on a gross basis in its financial statements, and (3) payments between participants that are within the scope of other authoritative accounting literature on income statement classification shall be accounted for using the relevant provisions of that literature. If the payments are not within the scope of other authoritative accounting literature, then the income statement classification for the payments shall be based on an analogy to authoritative accounting literature or if there is no appropriate analogy, a reasonable, rational, and consistently applied accounting policy election. The Company determined that it is the principal for the revenue generated from third parties under this collaborative arrangement with Tourmaline in accordance with ASC 606; as such, the associated revenue and cost of sales generated and incurred are recognized on a gross basis in the condensed consolidated statements of operations. Net participation of profit and loss owed to or from Tourmaline is recorded as an increase or decrease to cost of sales, respectively, as the transaction is not deemed to be with a customer within the scope of ASC 606. Capitalized station costs are presented at half of the total development and construction costs in the condensed consolidated balance sheets, corresponding to the Company’s 50% ownership in the shared assets.
Impairment of Goodwill and Long-Lived Assets | Impairment of Goodwill and Long-Lived Assets During the first quarter of 2025, it was determined that the Company had a sustained decline in its share price. This circumstance warranted an interim impairment test as it was determined that it was more likely than not that a goodwill impairment loss had been incurred. ​ A quantitative goodwill impairment analysis was performed as of March 31, 2025 in which it was determined that the carrying value exceeded fair value, by an amount greater than the carrying value of goodwill. ​ Accordingly, a goodwill impairment loss for the Company’s single reporting unit was recognized in the amount of $64.3 million, in the period ended March 31, 2025, which comprised the total amount of goodwill of the Company before giving effect to the impairment. ​ As a result of this impairment loss, the Company has no goodwill remaining as of June 30, 2026.
Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements | Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements Recently Adopted Accounting Pronouncements In July 2025, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2025-05, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets, which allows for a practical expedient election to assume that current conditions as of the balance sheet date do not change for the remaining life of the asset in the development of a reasonable and supportable forecast as part of estimating expected credit losses. The new standard is effective for annual periods beginning after December 15, 2025, with early adoption permitted. The Company adopted this new ASU in the first quarter of 2026. The Company noted no material impact from the adoption of this standard on our consolidated financial statements. ​ Recently Issued Accounting Pronouncements In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses ("ASU 2024-03"). ASU 2024-03 requires disaggregated income statement expense disclosures related to functional or natural expense line items within continuing operations. ASU 2024-03 is effective for fiscal years beginning after December 15, 2026 and interim periods within fiscal years beginning after December 15, 2027, and permits either prospective or retrospective adoption. The Company is currently evaluating the impact that the adoption of this ASU will have on its consolidated financial statements and related disclosures. ​ In December 2025, the FASB issued ASU 2025-10, Government Grants (Topic 832), to provide guidance on how business entities recognize, measure, and present government grants received. The effective date for this standard is for fiscal years beginning after December 15, 2028, and interim periods within those fiscal years. Early adoption is permitted. The amendments in this ASU may be applied using a modified prospective, modified retrospective, or retrospective approach. The Company is currently evaluating the impact that the adoption of this ASU will have on its consolidated financial statements and related disclosures. ​ In December 2025, the FASB issued ASU 2025-11 to amend the guidance in “Interim Reporting” (Topic 270). The update provides clarifications intended to improve the consistency and usability of interim disclosure requirements, including a comprehensive listing of required interim disclosures and a new disclosure principle for reporting material events occurring after the most recent annual period. The amendments do not change the underlying objectives of interim reporting but are designed to enhance clarity in application. The guidance is effective for fiscal years beginning after December 15, 2027, including interim periods within those fiscal years. The Company is currently evaluating the impact that the adoption of this ASU will have on its consolidated financial statements and related disclosures. ​ In December 2025, the FASB issued ASU 2025-12, Codification Improvements, to clarify guidance, correct technical errors, remove outdated language and improve consistency across a number of topics within the ASC. The amendments in this ASU are effective for annual reporting periods beginning after December 15, 2026, including interim reporting periods within those annual periods. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of this ASU will have on its consolidated financial statements and related disclosures. ​ In May 2026, the FASB issued ASU 2026-02, Environmental Credits and Environmental Credit Obligations (Topic 818). The ASU establishes accounting and disclosure requirements for the recognition, measurement, presentation, and disclosure of environmental credits and environmental credit obligations. The guidance applies to entities that generate, purchase, receive, or otherwise hold environmental credits, as well as entities that incur obligations that may be settled using such credits. The guidance is effective for annual periods beginning after December 15, 2027, including interim periods within those annual periods, with early adoption permitted. The Company is evaluating the impact of ASU 2026-02 on the recognition, measurement, presentation and disclosure of environmental credits and related obligations. While the assessment is ongoing, the Company expects that the new guidance will affect the presentation and disclosure of environmental credits and related balances within its consolidated financial statements and related footnotes. ​

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