Prepaid expenses and other current assets

12 Months Ended

Dec. 31, 2021

Prepaid expenses and other current assets

Prepaid expenses and other current assets

3. Prepaid expenses and other current assets

Prepaid expenses and other current assets consisted of the following:

	December 31,
(in thousands)	2021		2020
Reimbursement receivable from DoD	$	2,674	$	850
Prepaid insurance		2,019		1,767
Unbilled reimbursement receivable from DoD		1,638		—
Research and development advance payments		586		—
Other prepaids and short term deposits		492		511
	$	7,409	$	3,128