Lease (Tables)

12 Months Ended

Dec. 31, 2023

Lessee Disclosure [Abstract]

Schedule of balances reported in the consolidated balance sheets related to the Group's leases

The following table presents balances reported in the consolidated balance sheets related to the Group’s leases:

	For the years ended December 31,
	2022		2023
	US$		US$
Operating lease right-of-use assets		13,960,092		9,067,885
Operating lease liabilities		13,880,156		8,911,017

Schedule of operating lease expenses and short-term lease expenses

The following table presents operating lease expenses and short-term lease expenses reported in the consolidated statements of comprehensive income (loss) related to the Group’s leases:

	For the years ended December 31,
	2022		2023
	US$		US$
Operating lease expenses		5,608,890		5,681,600
Short-term lease expenses		358,223		655,847

Summary of supplemental information related to operating leases

A summary of supplemental information related to operating leases is as follows:

	For the years ended December 31,
	2022		2023
	US$		US$
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used in operating leases		5,801,369		6,357,265
Non-cash right-of-use assets in exchange for new lease obligations:
Operating leases		12,918,892		1,021,178
Weighted average remaining lease term:
Operating leases	4 years		4 years
Weighted average discount rate:
Operating leases	5.4%		5.3%

Summary of maturity analysis of the annual undiscounted cash flows

The following is a maturity analysis of the annual undiscounted cash flows for the annual periods ended December 31:

	2023
	US$
Years ending December 31:
2024		4,435,309
2025		2,045,315
2026		1,735,201
2027		1,049,676
2028		328,861
2029 and after		—
Total undiscounted operating lease payments		9,594,362
Less: imputed interest		(683,345	)
Present value of operating lease liabilities		8,911,017