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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Operating activities: |  |
Net loss | $ (23,170) | $ (16,292)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Allowance of bad debt | (3) | 11
Inventory reserve adjustment | 1,607 | 2,588
Depreciation and amortization | 4,995 | 5,329
Amortization of debt issuance costs | 315 | 306
Loss on disposal of assets | 1 | 3
Share-based compensation | 2,839 | 2,290
Unrealized foreign exchange (gain) loss | 424 | (1,065)
Changes in operating assets and liabilities: |  |
Accounts receivable, trade | (9,402) | 4,365
Trade Notes receivable | (133) | (742)
Inventories | 7,291 | 7,403
Other current assets | 1,215 | (80)
Operating right of use asset | 296 | 230
Accounts payable | (9,253) | (9,427)
Accrued liabilities | (5,071) | (3,815)
Unearned revenue | (114) | (237)
Lease liability | (318) | (257)
Net cash used in operating activities | (28,481) | (9,390)
Investing activities: |  |
Purchase of property, plant and equipment | (5,761) | (575)
Proceeds from disposal of equipment | 0 | 65
Deposits and prepaid for equipment | (2,190) | (160)
Purchase of intangible assets | (121) | (113)
Net cash used in investing activities | (8,072) | (783)
Financing activities: |  |
Principal payments of long-term debt and notes payable | (251) | 0
Proceeds from line of credit borrowings | 7,997 | 19,482
Repayments of line of credit borrowings | (7,027) | (25,402)
Proceeds from bank acceptance payable | 10,175 | 18,974
Repayments of bank acceptance payable | (14,912) | (12,293)
Proceeds from issuance of convertible senior notes, net of debt issuance costs | (214) | 0
Principal payments of financing lease | 0 | (5)
Payments of tax withholding on behalf of employees related to share-based compensation | (1,011) | (75)
Proceeds from common stock offering, net | 3,826 | 407
Net cash (used)/provided by financing activities | (1,417) | 1,088
Effect of exchange rate changes on cash | 278 | 446
Net decrease in cash, cash equivalents and restricted cash | (37,692) | (8,639)
Cash, cash equivalents and restricted cash at beginning of period | 55,097 | 35,587
Cash, cash equivalents and restricted cash at end of period | 17,405 | 26,948
Supplemental disclosure of cash flow information: |  |
Interest, net of amounts capitalized | 55 | 2,304
Non-cash investing and financing activities: |  |
Net change in accounts payable related to property and equipment additions | (622) | (20)
Net change in deposits and prepaid for equipment related to property and equipment additions | $ 5 | $ (93)

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