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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Cash flows from operating activities: |  |
Net (loss) income | $ (3,163) | $ 367
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Provision for credit losses | 54 | 280
Depreciation and amortization | 3,247 | 3,461
Deferred income taxes | 36 | 1
Loss on disposals of fixed assets | 683 | 146
Compensation expense related to stock-based awards and employee stock purchase plan | 522 | 296
Unrealized currency translation loss (gain) | 241 | (1)
Changes in operating assets and liabilities: |  |
Accounts receivable | (355) | 776
Inventories | (44) | (1,155)
Prepaid expenses and other current assets | 100 | (111)
Other non-current assets | 328 | 312
Accounts payable | 2,184 | (15,077)
Deferred revenue | 400 | 460
Accrued compensation, product warranty and other | (5,025) | 3,466
Net cash used in operating activities | (792) | (6,779)
Cash flows from investing activities: |  |
Capital expenditures | (2,399) | (2,103)
Cash paid for acquisition of intangible asset | (10) | (12)
Purchases of marketable securities | (720) | (16,010)
Maturities and sales of marketable securities | 4,000 | 15,422
Net cash provided by (used in) investing activities | 871 | (2,703)
Cash flows from financing activities: |  |
Proceeds from stock options exercised and employee stock purchase plan | 96 | 1,022
Purchase of treasury stock | 0 | (239)
Payment of finance lease | 0 | (22)
Net cash provided by financing activities | 96 | 761
Effect of exchange rate changes on cash and cash equivalents | (28) | 40
Net increase (decrease) in cash and cash equivalents | 147 | (8,681)
Cash and cash equivalents at beginning of period | 11,294 | 21,056
Cash and cash equivalents at end of period | 11,441 | 12,375
Supplemental disclosure of non-cash investing and financing activities: |  |
Changes in accrued other and accounts payable related to property and equipment additions | $ 5 | $ 119

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