Prepaid expenses and other current assets (Tables)

12 Months Ended

Dec. 31, 2021

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	December 31,
	2021		2020
Prepaid research and development	$	2,819	$	1,898
Prepaid insurance	2,585		1,459
Prepaid licenses	819		665
Interest receivable	385		386
Other	156		90
Total prepaid expenses and other current assets	$	6,764	$	4,498