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Consolidated statements of profit or loss and other comprehensive income - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Profit or loss [abstract]      
Revenue $ 275,761,298 $ 275,852,753 $ 65,179,515
Direct costs (144,206,412) (169,721,542) (38,834,696)
Gross profit 131,554,886 106,131,211 26,344,819
Other income and other net gains/(losses) 404,643 138,948 (315,404)
Share of loss of a joint venture     (1,133,321)
Selling and distribution expenses (13,301,436) (21,932,322) (6,492,635)
Research and development expenses (15,519,228) (10,563,952) (2,782,123)
Restructuring costs in relation to diagnostic business (30,378,741) 0 0
Administrative and other operating expenses (96,063,312) (83,991,413) (16,616,462)
Loss from operations (23,303,188) (10,217,528) (995,126)
Fair value loss on financial assets at fair value through profit or loss (9,363,495) (94,000)  
Share-based payment on listing (89,546,601)    
Fair value loss on convertible securities   (29,054,669) (2,846,750)
Fair value loss on preference shares liabilities (60,091,353) (125,398,798)  
Fair value loss on warrant liabilities 3,196,538    
Write-off on amount due from a shareholder   (106,179)  
Gain on bargain purchase   117,238  
Loss on disposal of a subsidiary   (292,132)  
Other finance costs (4,198,184) (5,238,030) (59,567)
Loss before taxation (183,306,283) (170,284,098) (3,901,443)
Income tax (expense)/credit (7,147,104) (3,732,744) 1,937,558
Loss for the year (190,453,387) (174,016,842) (1,963,885)
Exchange differences on translation [abstract]      
Exchange differences on translation of financial statements of subsidiaries and a joint venture outside Hong Kong (4,842,932) 260,112 1,581,372
Total comprehensive income for the year (195,296,319) (173,756,730) (382,513)
Profit (loss), attributable to [abstract]      
Equity shareholders of the Company (190,453,333) (174,009,273) (1,939,689)
Non-controlling interests (54) (7,569) (24,196)
Loss for the year (190,453,387) (174,016,842) (1,963,885)
Comprehensive income attributable to [abstract]      
Equity shareholders of the Company (195,296,265) (173,749,161) (358,317)
Non-controlling interests (54) (7,569) (24,196)
Total comprehensive income for the year $ (195,296,319) $ (173,756,730) $ (382,513)
Loss per share      
Basic $ (2.5) $ (11.92) $ (0.15)
Diluted $ (2.5) $ (11.92) $ (0.15)