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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating activities: |  |  |
Net income | $ 25,757 | $ 7,796 | $ 103,602
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation, amortization, and accretion | 34,329 | 32,819 | 33,532
Gain on sale on disposal of discontinued operations | 0 | 0 | (120,137)
Impairments and other charges | 2,966 | 2,804 | 581
Unrealized (gain) loss on investments | (539) | (180) | 2,227
Realized gain on sale of Standard Lithium shares | 0 | 0 | (15,479)
Provisions for deferred income taxes | (734) | 537 | (71)
Equity-based compensation expense | 10,622 | 6,880 | 4,664
Provision for (recovery of) credit losses | 285 | 42 | (654)
Amortization and expense of financing costs | 3,433 | 3,376 | 3,091
Gain from insurance recoveries associated with damaged equipment | (2,850) | (3,750) | (110)
Gain on sale of assets | (562) | (1,170) | (482)
Other non-cash charges and credits | (1,231) | (482) | (624)
Changes in operating assets and liabilities, net of assets acquired: |  |  |
Accounts receivable | 20,165 | (39,848) | (27,795)
Inventories | (23,205) | (4,471) | 5,387
Prepaid expenses and other current assets | 2,176 | (4,546) | (6,533)
Trade accounts payable and accrued expenses | (128) | 22,705 | 27,006
Other | (278) | (3,555) | (3,548)
Net cash provided by operating activities | 70,206 | 18,957 | 4,657
Investing activities: |  |  |
Purchases of property, plant, and equipment, net | (38,152) | (40,056) | (20,533)
Acquisition of businesses, net of cash acquired | 0 | (917) | 0
Purchase of CarbonFree convertible note | (350) | 0 | (5,000)
Proceeds from sale of investment | 3,900 | 0 | 17,627
Proceeds from sale of property, plant, and equipment | 6,661 | 1,706 | 1,687
Proceeds from insurance recoveries associated with damaged equipment | 2,850 | 3,750 | 110
Other investing activities | (1,936) | (987) | 934
Net cash used in investing activities | (27,027) | (36,504) | (5,175)
Financing activities: |  |  |
Proceeds from long-term debt | 97,529 | 13,825 | 1,614
Principal payments on credit agreements and long-term debt | (100,497) | (12,483) | (50,477)
Financing cash flows - finance leases | (1,695) | (1,302) | 0
Debt issuance costs and other financing activities | 0 | 0 | (1,191)
Net cash provided by (used in) financing activities | (4,663) | 40 | (50,054)
Effect of exchange rate changes on cash | 377 | (452) | (1,771)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | 38,893 | (17,959) | (52,343)
Cash and cash equivalents at beginning of period | 13,592 | 31,551 | 83,894
Cash and cash equivalents at beginning of period associated with discontinued operations | 0 | 0 | 16,577
Cash and cash equivalents at beginning of period associated with continuing operations | $ 13,592 | 31,551 | 67,317
Cash and cash equivalents at end of period associated with discontinued operations |  | 0 | 0
Cash and cash equivalents at end of period associated with continuing operations |  | $ 13,592 | $ 31,551

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