v3.26.1
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities:    
Net loss $ (12,527) $ (135,031)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 11,002 62,267
Provision for credit losses and inventory 138 195
Stock-based compensation expense 2,030 1,777
Stock-based sales incentive charges 10,107 17,338
Change in fair value of derivative instruments (616) 557
(Gain)/Loss on sale of BTR equity and convertible promissory note 0 0
Amortization of debt financing costs 1,144 1,265
Amortization of discounts and Section 30C tax credit (470) (1,214)
Loss on disposal of property and equipment 145 2,805
Impairment of goodwill 0 64,328
Loss from equity method investments 5,638 7,044
Non-cash lease expense 2,322 1,822
Deferred income taxes 0 (2,955)
Accretion of ARO liabilities 92 100
Changes in operating assets and liabilities:    
Accounts and other receivables (9,046) 15,335
Inventory 756 (1,957)
Prepaid expenses and other assets (422) 29
Operating lease liabilities (2,364) (2,002)
Accounts payable (3,897) (4,708)
Deferred revenue (2,873) 933
Accrued liabilities and other (9,521) (4,500)
Net cash provided by (used in) operating activities (8,362) 23,428
Cash flows from investing activities:    
Purchases of short-term investments (159,999) (363,240)
Maturities and sales of short-term investments 90,242 384,325
Payment and deposits on equipment and manure rights for ADG RNG production projects (178) (11,100)
Purchases of and deposits on property and equipment (6,894) (7,490)
Proceeds received for joint development and construction of station projects 453 1,385
Disbursements for loans receivable 0 (1,500)
Proceeds from paydowns, maturities, and sales of loans receivable 21 19
Investments in other entities (13,271) 0
Proceeds from disposal of property and equipment 16 4,998
Net cash provided by (used in) provided by investing activities (89,610) 7,397
Cash flows from financing activities:    
Issuance of common stock 0 52
Repurchase of common stock 0 (391)
Payment of tax withholdings on net settlement of equity awards (1,210) (498)
Repayment of proceeds for Adopt-A-Port program (404) (831)
Repayments of debt instruments and finance lease obligations (336) (256)
Net cash (used in) financing activities (1,950) (1,924)
Effect of exchange rates on cash, cash equivalents and restricted cash (177) 216
Net increase in cash, cash equivalents and restricted cash (100,099) 29,117
Cash, cash equivalents and restricted cash, beginning of period 157,756 91,562
Cash, cash equivalents and restricted cash, end of period 57,657 120,679
Supplemental disclosure of cash flow information:    
Income taxes paid (received) (2) 2
Interest paid, net of $954 and $1,855 capitalized, respectively 4,570 1,262
Supplemental disclosure of non-cash financing activity:    
Interest paid-in-kind $ 0 $ (5,000)

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