Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 859,155	$ 1,008,470
Short-term investments	15,500	0
Accounts receivable (net of allowance for credit loss of $14 and $11 as of June 30, 2023 and December 31, 2022, respectively)	47,283	39,963
Notes receivable	20,781	8,608
Inventories, net	36,353	31,621
Prepayments and other current assets	38,433	35,674
Total current assets	1,017,505	1,124,336
Restricted cash, non-current	1,791	803
Long term investments	5,128	6,431
Prepayments for equipment	665	1,396
Property and equipment, net	56,410	57,863
Operating lease right-of-use assets	18,537	19,512
Land use rights, net	3,067	6,892
Intangible assets, net	1,690	1,511
Long-term deposits	1,580	1,396
Total assets	1,106,373	1,220,140
Current liabilities:
Accounts payable	67,031	65,974
Current operating lease liabilities	7,299	7,050
Other current liabilities	59,024	66,818
Total current liabilities	133,354	139,842
Deferred income	28,625	21,360
Non-current operating lease liabilities	11,755	13,343
Other non-current liabilities	325	0
Total liabilities	174,059	174,545
Commitments and contingencies (Note 15)
Shareholders’ equity
Ordinary shares (par value of $0.000006 per share; 5,000,000,000 shares authorized; 973,355,390 and 962,455,850 shares issued as of June 30, 2023 and December 31, 2022, respectively; 968,566,280 and 960,219,570 shares outstanding as of June 30, 2023 and December 31, 2022, respectively)	6	6
Additional paid-in capital	2,932,053	2,893,120
Accumulated deficit	(2,031,399)	(1,861,360)
Accumulated other comprehensive income	52,180	25,685
Treasury Stock (at cost, 4,789,110 and 2,236,280 shares as of June 30, 2023 and December 31, 2022, respectively)	(20,526)	(11,856)
Total shareholders’ equity	932,314	1,045,595
Total liabilities and shareholders’ equity	$ 1,106,373	$ 1,220,140