Prepaid Expense and Other Current Assets

6 Months Ended

Jun. 30, 2023

Prepaid Expense and Other Assets, Current [Abstract]

Prepaid Expenses and Other Current Assets

4. Prepaid Expenses and Other Current Assets

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

	June 30, 2023		December 31, 2022
Research and development	$	3,615	$	6,670
Construction related prepaid assets		—		3,769
Business insurance		762		133
Other		1,178		628
Total	$	5,555	$	11,200