Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2022

Payables and Accruals [Abstract]

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:

	As of December 31,
	2021		2022
	(US$ thousand)
Accrued salary and social welfare costs	$	26,994	$	20,103
Advance payment received from disposal of business (Note 15)		—		7,000
Payables for acquisition (Note 3)		4,603		4,603
Liability classified awards for share-based compensation (Note 18)		5,852		4,560
Payables for compensation costs in relation to an acquisition		3,500		3,500
Accrued professional service fees		992		1,663
Payable for construction cost		—		1,184
Deposit related to disposal of business (Note 15)		—		1,000
Accrued advertising and marketing fees		342		470
Accrued staff reimbursements		678		386
Accrued office expense		668		308
Share option deposit held on behalf of employees		134		124
Payables for long-term investments		5,490		—
Payables for deferred financing costs		2,234		—
Accrued recruitment service fee		392		—
Others		1,155		2,110
	$	53,034	$	47,011