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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Cash flows from operating activities: |  |
Net loss | $ (10,016) | $ (2,048)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 2,223 | 2,192
Stock-based compensation | 646 | 809
Gain on disposal of equipment | (3) |
Equity in income of unconsolidated joint ventures | (248) | (890)
Deferred tax assets | (11) | 40
Changes in operating assets and liabilities: |  |
Accounts receivable | 2,868 | (6,076)
Inventories | 5,015 | (720)
Prepaid expenses and other current assets | 4,534 | (375)
Other assets | (3,122) | 65
Accounts payable | (1,298) | 815
Accrued liabilities | (2,956) | (558)
Other long-term liabilities | (978) | (2,060)
Net cash used in operating activities | (3,346) | (8,806)
Cash flows from investing activities: |  |
Purchases of property, plant and equipment | (510) | (4,392)
Proceeds from sales and maturities of available-for-sale debt securities |  | 480
Investments in non-marketable equity investments | (276) |
Net cash used in investing activities | (786) | (3,912)
Cash flows from financing activities: |  |
Proceeds from common stock options exercised |  | 20
Proceeds from short-term bank loans | 13,674 | 12,858
Payments on short-term bank loans | (9,250) | (16,541)
Proceeds from long-term loan | 2,755 | 5,831
Payments on long-term loan | (297) | (168)
Net cash provided by financing activities | 6,882 | 2,000
Effect of exchange rate changes on cash, restricted cash and cash equivalents | 1,623 | 204
Net increase (decrease) in cash, restricted cash and cash equivalents | 4,373 | (10,514)
Cash, restricted cash and cash equivalents at the beginning of the year | 33,811 | 50,114
Cash, restricted cash and cash equivalents at the end of the period | 38,184 | 39,600
Supplemental disclosure of non-cash flow information: |  |
Notes receivables paid to purchase fixed assets | $ 1,165 | 1,377
Consideration payable in connection with construction in progress, included in accrued liabilities |  | $ 21

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