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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash flows from operating activities: |  |
Net (loss) income | $ (5,539) | $ 1,140
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Provision for credit losses | 138 | (1)
Depreciation and amortization | 6,985 | 6,920
Deferred income taxes | 36 | 3
Loss on disposals of fixed assets | 1,211 | 323
Compensation expense related to stock-based awards and employee stock purchase plan | 1,244 | 874
Unrealized currency translation loss | 208 | 19
Changes in operating assets and liabilities: |  |
Accounts receivable | (1,801) | 481
Inventories | (3,669) | (1,447)
Prepaid expenses and other current assets | (14,867) | 712
Other non-current assets | 604 | 445
Accounts payable | 4,841 | (8,260)
Deferred revenue | (182) | 203
Accrued compensation, product warranty and other | (4,666) | (4,598)
Net cash used in operating activities | (15,457) | (3,186)
Cash flows from investing activities: |  |
Capital expenditures | (5,105) | (4,744)
Cash paid for acquisition of intangible asset | (21) | (23)
Purchases of marketable securities | (1,426) | (16,697)
Maturities and sales of marketable securities | 21,000 | 15,422
Net cash provided by (used in) investing activities | 14,448 | (6,042)
Cash flows from financing activities: |  |
Proceeds from stock options exercised and employee stock purchase plan | 96 | 2,367
Purchase of treasury stock | 0 | (239)
Payment of finance lease | 0 | (22)
Net cash provided by financing activities | 96 | 2,106
Effect of exchange rate changes on cash and cash equivalents | (24) | 74
Net decrease in cash and cash equivalents | (937) | (7,048)
Cash and cash equivalents at beginning of period | 11,294 | 21,056
Cash and cash equivalents at end of period | 10,357 | 14,008
Supplemental disclosure of non-cash investing and financing activities: |  |
Changes in accrued other and accounts payable related to property and equipment additions | $ 21 | $ 47

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