Prepayments and Other Receivables

3 Months Ended

Mar. 31, 2022

Prepayments And Other Receivables And Recoverable From Loan Guarantee [Abstract]

Prepayments and Other Receivables

5. Prepayments and Other Receivables

Prepayments and other receivables as of December 31, 2021 and March 31, 2022 consisted of the following:

	December 31,			March 31,
	2021			2022
Value added tax recoverable	$	7,144,712		$	8,332,545
Prepayments to suppliers		4,663,431			5,060,156
Deposits		75,179			76,152
Staff advances		122,531			187,548
Prepaid operating expenses		683,648			758,411
Others		64,489			108,256
		12,753,990			14,523,068
Less: Allowance for doubtful accounts		(7,000	)		(7,000	)
	$	12,746,990		$	14,516,068