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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Cash flows from operating activities: |  |
Consolidated net income (loss) | $ 990 | $ (2,113)
Adjustments to reconcile consolidated net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 1,266 | 1,091
Stock-based compensation | 1,034 | 962
Deferred income taxes | (54) | (94)
Pension cost | 309 | 253
Changes in operating assets and liabilities: |  |
Accounts receivable | 137 | 1,149
Prepaid expenses and other current assets | 86 | 158
Other assets | 426 | 21
Accounts payable and accrued expenses | (307) | (431)
Deferred revenues | 3,145 | (177)
Accrued salaries, wages and related benefits | (490) | 627
Income and other taxes | 225 | 338
Net cash provided by operating activities | 6,767 | 1,784
Cash flows from investing activities: |  |
Capital expenditures | (1,339) | (1,702)
Purchase of short term investments - others | 0 | (5)
Net cash used in investing activities | (1,339) | (1,707)
Cash flows from financing activities: |  |
Proceeds from exercise of stock options | 0 | 321
Payment of long-term obligations | (291) | (70)
Net cash provided by (used in) financing activities | (291) | 251
Effect of exchange rate changes on cash and cash equivalents | 32 | 210
Net increase (decrease) in cash and cash equivalents | 5,169 | 538
Cash and cash equivalents, beginning of year | 13,806 | 9,792
Cash and cash equivalents, end of year | 18,975 | 10,330
Supplemental disclosures of cash flow information: |  |
Cash paid for income taxes | 155 | 24
Cash paid for operating leases | 361 | 404
Cash paid for interest | $ 68 | $ 92

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