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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities |  |  |
Net loss from continuing operations | $ (3,175) | $ (9,252) | $ (6,689)
Net income (loss) from discontinued operations |  | (5,056) | 7,002
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 18 | 226 | 378
Amortization of operating lease right-of-use asset | 2,076 | 3,519 | 3,390
Lease termination and modification gain | 0 | (756) | 0
Share-based compensation expense |  | 1,083 | 139
Bad debt provision | 389 | 163 | 752
Impairment loss |  | 657 |
Interest expense |  |  | (12)
Deferred income tax benefit |  |  | (542)
Loss on disposal of subsidiaries |  | 163 |
Disposal loss from property and equipment | 267 |  |
Gain from forgiven PPP loan |  |  | (1,460)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (1,384) | (415) | (1,627)
Prepaid and other current assets | 5,993 | 788 | 145
Other non-current assets | 39 | 722 | 1,100
Accounts payable | (1,007) | (237) | 1,476
Accrued and other liabilities | (2,298) | 860 | 3,161
Income tax payable | (18) |  | (153)
Deferred revenue |  | (781) | 86
Operating lease liabilities | (1,190) | (2,386) | (3,309)
Net cash used in operating activities, continuing operations | (290) | (5,646) | (3,165)
Net cash provided by (used in) operating activities, discontinued operations | 0 | (3,602) | 666
Cash flows from investing activities |  |  |
Proceeds from sale of property and equipment |  |  | 19
Proceeds from sale of intangible assets |  |  | 13
Net cash provided by investing activities, continuing operations | 0 | 0 | 32
Net cash provided by (used in) investing activities, discontinued operations | 0 | (19,491) | 16,789
Cash flows from financing activities |  |  |
Proceeds from issuance of ordinary shares and warrants to purchase ordinary shares, net off expenses | 1,864 |  | 16
Proceeds from short-term borrowing | 2,439 | 3,014 |
Repayments of short-term borrowing | (1,500) |  |
Funding provided to discontinued operations |  |  | (99)
Net cash (used in) provided by financing activities, continuing operations | 2,803 | 3,014 | (83)
Net cash provided by financing activities, discontinued operations | 0 | 2,040 | 999
Effects of exchange rate changes on cash, cash equivalents and restricted cash | (128) | (100) | (2,558)
Net change in cash, cash equivalents and restricted cash | 2,385 | (23,785) | 12,680
Cash, cash equivalents and restricted cash at beginning of year | 7,670 | 31,455 | 18,775
Cash, cash equivalents and restricted cash at end of year | 10,055 | 7,670 | 31,455
Less: Cash, restricted cash and cash equivalents of discontinued operations |  |  | 29,846
Cash, cash equivalents and restricted cash at end of year from continuing operations | 10,055 | 7,670 | 1,609
Supplemental disclosure of cash flow information |  |  |
income tax paid | (27) |  |
Interest paid | (164) | (1) |
Supplemental disclosure of non-cash investing and financing activities: |  |  |
Derecognition of assets other than cash of disposed subsidiaries/deregistered subsidiaries |  | 62 |
Derecognition of liabilities of disposed subsidiaries/deregistered subsidiaries, net of recognized amount due to the disposed subsidiaries/deregistered subsidiaries |  | 86 |
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities | $ 129 |  | $ 1,343
Receivable from sale of discontinued operations |  | $ 6,058 |

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