Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Schedule of Cash, Cash Equivalents, and Restricted Cash

Cash, cash equivalents, and restricted cash consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Cash and cash equivalents	$	66,106	$	107,858
Restricted cash	—		490
Total cash, cash equivalents, and restricted cash	$	66,106	$	108,348

Schedule of Estimated Useful Lives of Assets

The estimated useful lives of assets are as follows:

Computer and other equipment	3 years
Pilot plant	5 years
Machinery and equipment	5 years
Leasehold improvements	1-5 years
Plants and improvements	20-40 years