Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2020

Prepaid Expense And Other Assets Current [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses, consisted of (in thousands):

	December 31,
	2020		2019
R&D tax credit receivable	$	1,042	$	1,253
Prepaid contracted research and development costs		591		184
VAT receivable		653		364
Prepaid insurance		453		247
Foreign currency exchange derivative		—		7
Deposits and other		194		251
Total prepaid expenses and other current assets	$	2,933	$	2,306