Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Schedule of Rent Expense

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Research and development	$	219	$	211	$	619	$	581
Selling, general, and administrative		49		22		136		95
	$	268	$	233	$	755	$	676

Schedule of Future Minimum Lease Payments

2021 (remaining three months)	$	287
2022		1,074
2023		637
2024		315
2025		286
Thereafter		817
	$	3,416