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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |
Net loss | $ (20,451) | $ (29,091)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 9,795 | 12,863
Operating lease cost | 998 | 1,066
Non-cash compensation | 413 | 479
Deferred income tax expense | 116 | 1
Gain on disposal of assets | (219) | (198)
Remeasurement and other | (18) | (278)
Change in operating assets and liabilities: |  |
Decrease (increase) in accounts receivable | 1,311 | (1,272)
Increase in employee retention credit receivable | (3,035) |
(Increase) decrease in prepaid expenses and other assets | (4,382) | 1,397
Increase in accounts payable | 873 | 983
Increase (decrease) in accrued liabilities | 802 | (453)
Decrease in operating lease liabilities | (1,026) | (1,112)
Increase (decrease) in deferred revenue | 5,862 | (435)
Net cash used in operating activities | (8,961) | (16,050)
Cash flows from investing activities: |  |
Capital expenditures, net of non-cash capital expenditures summarized below (if applicable) | (894) | (505)
Proceeds from maturity of short-term investments |  | 318
Proceeds from disposal of assets | 225 | 451
Net cash (used in) provided by investing activities | (669) | 264
Cash flows from financing activities: |  |
Proceeds from notes payable |  | 787
Principal payments on notes payable | (1,253) | (562)
Principal payments on finance leases | (47) | (55)
Tax withholdings related to stock-based compensation awards | (79) | (75)
Cash settlement of RSUs | (301) |
Sale of treasury stock | 113 |
Net cash (used in) provided by financing activities | (1,567) | 95
Effect of exchange rate changes on cash and cash equivalents and restricted cash | (265) | 112
Net decrease in cash and cash equivalents and restricted cash | (11,462) | (15,579)
Cash and cash equivalents and restricted cash at beginning of period | 30,376 | 45,955
Cash and cash equivalents and restricted cash at end of period | 18,914 | 30,376
Supplemental cash flow information: |  |
Cash paid for interest | 31 | 20
Cash paid for income taxes |  | 81
Cash received for income taxes | 7 | 21
Non-cash operating, investing and financing activities: |  |
Increase in accrued purchases of property and equipment | 605 |
Finance leases incurred | 279 |
Increase in right-of-use assets and operating lease liabilities | 598 | $ 1
Financed insurance premiums | $ 1,193 |

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