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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Cash flows from operating activities: |  |
Net loss | $ (18,616) | $ (38,832)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 11,182 | 10,678
Provision for credit losses and inventory | 274 | 502
Stock-based compensation expense | 2,629 | 6,096
Stock-based sales incentive charges | 12,897 | 13,730
Change in fair value of derivative instruments | (1,622) | 2,532
Amortization of discount and debt issuance cost | (948) | (1,213)
Gain on disposal of property and equipment | 64 | (49)
Asset impairments and other charges | 0 | 333
Loss from equity method investments | 5,398 | 1,890
Non-cash lease expense | 2,178 | 1,402
Deferred income taxes | (201) | (86)
Accretion of ARO liabilities | 81 | 76
Changes in operating assets and liabilities: |  |
Accounts and other receivables | 12,574 | (19,704)
Inventory | (3,965) | (2,626)
Prepaid expenses and other assets | (735) | 1,040
Operating lease liabilities | (1,593) | (1,105)
Accounts payable | (11,744) | (606)
Deferred revenue | 2,832 | 129
Accrued liabilities and other | (8,095) | 6,809
Net cash provided by (used in) operating activities | 2,590 | (19,004)
Cash flows from investing activities: |  |
Purchases of short-term investments | (158,306) | (49,393)
Maturities and sales of short-term investments | 159,072 | 135,500
Purchases of and deposits on property and equipment | (18,208) | (17,777)
Grant proceeds for capital projects | 652 | 1,947
Disbursements for loans receivable | (3,500) | (1,140)
Proceeds from paydowns, maturities, and sales of loans receivables | 253 | 1,483
Payment and deposits on equipment and manure rights for RNG production projects | (808) | (10,147)
Proceeds received for joint development and construction of station projects | 663 | 0
Proceeds from settlement of insurance claims | 314 | 0
Proceeds from disposal of property and equipment | 18 | 49
Net cash (used in) investing activities | (19,850) | 60,522
Cash flows from financing activities: |  |
Issuance of common stock | 36 | 332
Payments of tax withholdings on net settlement of equity awards | (304) | (175)
Fees paid for lender and debt issuance costs | (575) | (369)
Proceeds for Adopt-a-Port program | 3,390 | 100
Repayment of proceeds for Adopt-a-Port program | (381) | (343)
Repayments of debt instruments and finance lease obligations | (334) | (317)
Net cash (used in) financing activities | 1,832 | (772)
Effect of exchange rates on cash, cash equivalents and restricted cash | (123) | 111
Net (decrease) in cash, cash equivalents and restricted cash | (15,551) | 40,857
Cash, cash equivalents and restricted cash, beginning of period | 106,963 | 125,950
Cash, cash equivalents and restricted cash, end of period | 91,412 | 166,807
Supplemental disclosure of cash flow information: |  |
Income taxes paid | 13 | 26
Interest paid, net of $138 and $661 capitalized, respectively | $ 6,472 | $ 4,106

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