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ADDITIONAL INFORMATION FINANCIAL STATEMENT SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT COMPANY BALANCE SHEETS (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Current assets: |  |  |
Cash and cash equivalents | $ 231,420 | $ 480,931 | $ 21,496
Short-term investments | 25,070 | 0 |
Total Current Assets | 545,067 | 706,606 |
Total Assets | 984,957 | 995,291 |
Current liabilities: |  |  |
Total Current Liabilities | 252,409 | 175,594 |
Warrant liability | 126 | 1,105 |
Total Liabilities | 371,980 | 308,593 |
Shareholders’ Equity |  |  |
Common Stock (par value of US$0.0001 per share, 750,000,000 shares authorized as of December 31, 2021 and 2022; 300,530,516 and 309,316,011 shares issued, and 298,843,016 and 307,628,511 shares outstanding as of December 31, 2021 and 2022) | 31 | 30 |
Additional paid-in capital | 1,416,160 | 1,306,034 |
Statutory reserves | 6,032 | 6,032 |
Accumulated deficit | (791,165) | (632,099) |
Accumulated other comprehensive income (loss) | (18,081) | 6,701 |
Total Liabilities and Shareholders’ Equity | 984,957 | 995,291 |
Parent Company |  |  |
Current assets: |  |  |
Cash and cash equivalents | 99,337 | 357,008 |
Short-term investments | 25,070 | 0 |
Amount due from subsidiaries | 2,000 | 0 |
Total Current Assets | 126,407 | 357,008 |
Investments in subsidiaries | 592,264 | 690,032 |
Total Assets | 718,671 | 1,047,040 |
Current liabilities: |  |  |
Amount due to inter-company | 105,533 | 359,202 |
Accrued expenses and other current liabilities | 35 | 35 |
Total Current Liabilities | 105,568 | 359,237 |
Warrant liability | 126 | 1,105 |
Total Liabilities | 105,694 | 360,342 |
Shareholders’ Equity |  |  |
Common Stock (par value of US$0.0001 per share, 750,000,000 shares authorized as of December 31, 2021 and 2022; 300,530,516 and 309,316,011 shares issued, and 298,843,016 and 307,628,511 shares outstanding as of December 31, 2021 and 2022) | 31 | 30 |
Additional paid-in capital | 1,416,160 | 1,306,034 |
Statutory reserves | 6,032 | 6,032 |
Accumulated deficit | (791,165) | (632,099) |
Accumulated other comprehensive income (loss) | (18,081) | 6,701 |
Total Shareholders’ Equity | 612,977 | 686,698 |
Total Liabilities and Shareholders’ Equity | $ 718,671 | $ 1,047,040 |

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