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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIT) - USD ($)
Ordinary shares
Treasury Stock
Subscriptions receivable from shareholders
Additional paid in capital
Accumulated other comprehensive loss
Accumulated deficit
Total
Balance at the beginning at Dec. 31, 2019 $ 1,519   $ (197,068) $ 6,789,542 $ (344,894) $ (63,258,045) $ (57,008,946)
Balance at the beginning (in shares) at Dec. 31, 2019 15,193,136            
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIT)              
Net loss           (42,397,279) (42,397,279)
Other comprehensive income (loss)         (6,087)   (6,087)
Exercise of share options $ 370   (6,975,124) 7,115,682     $ 140,928
Exercise of share options (in shares) 3,694,934           3,694,934
Sharebased compensation       10,129,541     $ 10,129,541
Accretion of convertible redeemable preferred shares to redemption value       (248,113)     (248,113)
Balance at the end at Dec. 31, 2020 $ 1,889   (7,172,192) 23,786,652 (350,981) (105,655,324) (89,389,956)
Balance at the end (in shares) at Dec. 31, 2020 18,888,070            
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIT)              
Net loss           (73,177,935) (73,177,935)
Other comprehensive income (loss)         257,000   257,000
Exercise of share options $ 23     226,758     $ 226,781
Exercise of share options (in shares) 233,957           233,958
Issuance of ordinary shares under performance incentive plan $ 2     416,749     $ 416,751
Issuance of ordinary shares under performance incentive plan (in shares) 23,734            
Subscription from shareholders     381,282       381,282
Sharebased compensation       18,679,658     18,679,658
Accretion of convertible redeemable preferred shares to redemption value       (28,553)     (28,553)
Conversion of convertible redeemable preferred shares to ordinary shares upon the completion of initial public offering $ 2,725     154,475,235     154,477,960
Conversion of preferred shares to ordinary shares upon the completion of initial public offering (in shares) 27,249,824            
Issuance of ordinary shares upon IPO, net of issuance cost $ 1,057     147,094,280     147,095,337
Issuance of ordinary shares upon IPO, net of issuance cost (in shares) 10,571,375            
Purchase of treasury shares under share repurchase program   $ (2,361,576)         (2,361,576)
Purchase of treasury shares under share repurchase program (in shares)   (295,174)          
Retirement of treasury shares $ (20) $ 1,741,971   (1,750,041)     (8,090)
Retirement of treasury shares (in shares) (201,100) 201,100          
Surrender of ordinary shares for repayment of promissory notes $ (49)   $ 6,790,910 (6,800,807)     (9,946)
Surrender of ordinary shares for repayment of promissory notes (in shares) (491,119)            
Balance at the end at Dec. 31, 2021 $ 5,627 $ (619,605)   336,099,931 (93,981) (178,833,259) $ 156,558,713
Balance at the end (in shares) at Dec. 31, 2021 56,274,741            
Balance at the end (in shares) at Dec. 31, 2021   (94,074)         (94,074)
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (DEFICIT)              
Net loss           (79,971,847) $ (79,971,847)
Other comprehensive income (loss)         (755,324)   (755,324)
Exercise of share options $ 20     323,192     $ 323,212
Exercise of share options (in shares) 197,975           197,975
Issuance of ordinary shares under performance incentive plan $ 10     391,985     $ 391,995
Issuance of ordinary shares under performance incentive plan (in shares) 99,999            
Sharebased compensation       10,520,282     10,520,282
Purchase of treasury shares under share repurchase program   $ (3,976,681)         (3,976,681)
Purchase of treasury shares under share repurchase program (in shares)   (1,512,932)          
Retirement of treasury shares $ (160) $ 4,596,282   (4,596,122)      
Retirement of treasury shares (in shares) (1,607,005) 1,607,005          
Balance at the end at Dec. 31, 2022 $ 5,497 $ (4)   $ 342,739,268 $ (849,305) $ (258,805,106) $ 83,090,350
Balance at the end (in shares) at Dec. 31, 2022 54,965,710            
Balance at the end (in shares) at Dec. 31, 2022   (1)         (1)