Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2021

Prepaid Expenses And Other Current Assets [Abstract]

PREPAID EXPENSES AND OTHER CURRENT ASSETS

6. PREPAID EXPENSES AND OTHER CURRENT ASSETS

	December 31, 2020		December 31, 2021
Advances to suppliers	$	2,117	$	7,102
Prepaid expenses		208		4,687
VAT receivables		2,471		4,106
Deposits		746		1,029
Other receivables		480		203
Total	$	6,022	$	17,127

The balance of the VAT receivables represented the amount available for future deduction against VAT payable.