Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 788,806	$ 1,008,470
Short-term investments	31,600	0
Accounts receivable (net of allowance for credit loss of $12 and $11 as of September 30, 2023 and December 31, 2022, respectively)	41,596	39,963
Notes receivable	23,679	8,608
Inventories, net	44,229	31,621
Prepayments and other current assets	29,821	35,674
Total current assets	959,731	1,124,336
Restricted cash, non-current	1,792	803
Long term investments	4,466	6,431
Prepayments for equipment	144	1,396
Property and equipment, net	55,282	57,863
Operating lease right-of-use assets	16,398	19,512
Land use rights, net	3,057	6,892
Intangible assets, net	1,568	1,511
Long-term deposits	1,256	1,396
Total assets	1,043,694	1,220,140
Current liabilities:
Accounts payable	55,020	65,974
Current operating lease liabilities	6,886	7,050
Other current liabilities	62,990	66,818
Total current liabilities	124,896	139,842
Deferred income	27,686	21,360
Non-current operating lease liabilities	9,808	13,343
Other non-current liabilities	325	0
Total liabilities	162,715	174,545
Commitments and contingencies (Note 15)
Shareholders’ equity
Ordinary shares (par value of $0.000006 per share; 5,000,000,000 shares authorized; 973,930,280 and 962,455,850 shares issued as of September 30, 2023 and December 31, 2022, respectively; 969,037,150 and 960,219,570 shares outstanding as of September 30, 2023 and December 31, 2022, respectively)	6	6
Additional paid-in capital	2,954,362	2,893,120
Accumulated deficit	(2,100,551)	(1,861,360)
Accumulated other comprehensive income	47,952	25,685
Treasury Stock (at cost, 4,893,130 and 2,236,280 shares as of September 30, 2023 and December 31, 2022, respectively)	(20,790)	(11,856)
Total shareholders’ equity	880,979	1,045,595
Total liabilities and shareholders’ equity	$ 1,043,694	$ 1,220,140