Accounts receivable, net and other receivables

12 Months Ended

Dec. 31, 2019

Accounts receivable, net and other receivables

Accounts receivable, net and other receivables

5.  Accounts receivable, net and other receivables

Accounts receivable, net and other receivables include the following:

	As of December 31
(in thousands)	2018		2019
Research premium	$	2,657	$	1,530
VAT and other taxes		1,024		403
Receivables from grant revenue		104		2
Other receivables		86		809
Total accounts receivable, net and other receivables	$	3,871	$	2,744