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Share-Based Compensation | 12 Months Ended
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Dec. 31, 2023
Share-Based Compensation [Abstract] |
Share-based compensation | Note 13 – Share-based compensation In order to attract and retain talents, the Company adopted a share incentive plan in April 2020, which was amended and restated on July 9, 2021 (the “2020 Plan”). The maximum aggregate number of shares that may be issued pursuant to all awards under the 2020 Plan shall be 349,427 (10,482,827 before Reverse Stock Split) Class A ordinary shares. The Company also adopted the 2021 Share Incentive Plan (the “2021 Plan”), under which the maximum aggregate number of shares that may be issued pursuant to all awards shall be 333,333 (10,000,000 before Reverse Stock Split) Class A ordinary shares. The Company did not grant any award under the 2021 plan. The Company granted 172,333 and 61,200 (5,170,000 and 1,836,000 before the Reverse Stock Split) restricted share awards (“RSAs”) in 2022 and 2021, respectively, under the 2020 Plan. The vesting schedule of RSAs ranges from 100% upon grant, to over four years with 25% vested at each anniversary. The vesting of these RSAs is further subject to performance conditions whereby a 50% or 100% of the RSAs to be vested in a given year will be forfeited based on the result of an annual performance review of the grantee in accordance with predetermined performance targets. The unvested portion of the RSAs will also be forfeited upon the termination of employment or service during the vesting period. The Company estimates the annual performance review result for each grantee and recognizes the related compensation expenses. The amount of compensation expense (reversed)/recorded for the years ended December 31, 2023, 2022 and 2021 was US$(153,034), US$3,903,970 and US$707,000, respectively. The net reversal of the compensation expense recorded in the year ended December 31, 2023 was due to resignation of employees as well as the actual performance target being different from the Company’s previous estimate as a result of the employees failing to achieve certain performance goals, and the Company’s adjustment of the estimate of future performance review result in connection therewith. Unvested compensation expense as of December 31, 2023 and 2022 was US$1,064,986 and US$3,036,689, respectively. During the years ended December 31, 2023 and 2022, the Company issued 264,727 and 41,367 (1,241,000 before the Reverse Stock Split) Class A ordinary shares to ESOP platform which were reserved for future issuance upon the vesting of RSAs granted under the 2020 Plan. Also see Note 12. The following table summarized the Company’s RSAs activity under the 2020 Plan:
|  |  |  |  | Weighted average |
|  | Number of RSAs* |  |  | grant date fair value* |
Unvested, January 1, 2021 |  |  | - |  |  |  | - |
Granted |  |  | 61,200 |  |  |  | 75.60 |
Vested |  |  | - |  |  |  | - |
Forfeited |  |  | (7,333 | ) |  |  | 75.60 |
Unvested, December 31, 2021 |  |  | 53,867 |  |  |  | 75.60 |
Granted |  |  | 172,333 |  |  |  | 31.06 |
Vested |  |  | (60,534 | ) |  |  | 37.67 |
Forfeited |  |  | (32,600 | ) |  |  | 54.55 |
Unvested, December 31, 2022 |  |  | 133,066 |  |  |  | 40.34 |
Granted |  |  | - |  |  |  | - |
Vested |  |  | (25,572 | ) |  |  | 31.31 |
Forfeited |  |  | (16,075 | ) |  |  | 65.00 |
Unvested, December 31, 2023 |  |  | 91,419 |  |  |  | 38.52 |
* | Retrospectively adjusted for the effect of the Reverse Stock Split on November 20, 2022. See Note 12.

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