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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
OPERATING ACTIVITIES: |  |  |
Net income (loss) | $ (7,138) | $ 8,712 | $ 12,221
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 3,855 | 4,195 | 3,979
Bad debt expense | (30) | 50 | 130
Interest amortization of deferred financing costs | 73 | 73 | 82
Stock-based compensation expense | 3,082 | 2,225 | 2,212
Deferred income taxes, net | (1,714) | 655 | 1,061
Impairment of goodwill | 5,300 | 0 | 0
Revaluation of contingent consideration liability | 0 | 0 | (2,882)
Operating lease assets and liabilities, net | 75 | (379) | 173
Loss on disposition of fixed assets | 1 | 0 | 9
Long-term accrued income taxes | (36) | (20) | (40)
Working capital items: |  |  |
Accounts receivable and unbilled receivables | 12,537 | 1,021 | (11,389)
Prepaid and other current assets | (1,718) | 95 | (2,544)
Accounts payable | 186 | (479) | 2,365
Accrued payroll and related costs | 1,276 | (3,155) | (429)
Other accrued liabilities | (248) | (41) | 202
Deferred revenue | 477 | (337) | 66
Net cash flows provided by operating activities | 15,978 | 12,615 | 5,216
INVESTING ACTIVITIES: |  |  |
Recovery of (payments for) non-current deposits | 119 | 17 | (199)
Capital expenditures | (335) | (835) | (1,895)
Proceeds from the sale of fixed assets | 0 | 0 | 10
Net cash flows (used in) investing activities | (216) | (818) | (2,084)
FINANCING ACTIVITIES: |  |  |
(Repayments) on term loan facility | (1,100) | (12,000) | (4,400)
Proceeds from the issuance of common stock | 204 | 263 | 301
Purchase of treasury stock | (618) | 0 | 0
Payment of deferred financing costs | (64) | 0 | (223)
Proceeds from the exercise of stock options | 0 | 1,323 | 229
Net cash flows (used in) financing activities | (1,578) | (10,414) | (4,093)
Effect of exchange rate changes on cash and cash equivalents | (94) | (948) | (94)
Net change in cash and cash equivalents | 14,090 | 435 | (1,055)
Cash and cash equivalents, beginning of period | 7,057 | 6,622 | 7,677
Cash and cash equivalents, end of period | 21,147 | 7,057 | 6,622
SUPPLEMENTAL DISCLOSURE: |  |  |
Cash payments for interest expense | 43 | 324 | 623
Cash payments for income taxes | $ 1,356 | $ 2,164 | $ 3,831

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