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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Cash flow from operating activities: |  |
Net loss | $ (109) | $ (1,986)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation and amortization | 652 | 727
Stock-based compensation | 279 | 285
Deferred income taxes | (167) | (135)
Pension cost | 64 | 188
Changes in operating assets and liabilities: |  |
Accounts receivable | (3,165) | 2,260
Prepaid expenses and other current assets | 252 | 521
Other assets | (15) | (67)
Accounts payable and accrued expenses | 3,180 | 487
Accrued salaries, wages and related benefits | (170) | (220)
Income and other taxes | (72) | (4)
Net cash provided by operating activities | 729 | 2,056
Cash flow used in investing activities: |  |
Capital expenditures | (153) | (186)
Net cash used in investing activities | (153) | (186)
Cash flow used in financing activities: |  |
Payment of long term obligations | (190) | (482)
Net cash used in financing activities | (190) | (482)
Effect of exchange rate changes on cash and cash equivalents | 92 | (183)
Net increase in cash and cash equivalents | 478 | 1,205
Cash and cash equivalents, beginning of period | 24,908 | 24,216
Cash and cash equivalents, end of period | 25,386 | 25,421
Supplemental disclosures of noncash investing and financing activities: |  |
Cash paid for income taxes | $ 302 | $ 124

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