Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Schedule of components of lease expense

	Years Ended December 31,
	2021		2020
Finance lease cost:
Amortization of right-of-use assets	$	6	$	6
Interest on lease liabilities		1		1
Total finance lease cost	$	7	$	7

Schedule of supplemental balance sheet information related to leases

	December 31,
		2021			2020
Finance leases
Property and equipment, gross	$	30		$	30
Accumulated amortization		(19	)		(13	)
Property and equipment, net	$	11		$	17

Weighted average remaining lease term
Finance leases	2	years
Weighted average discount rate
Finance leases	7.0	%

Schedule of maturities of lease liabilities

Year ending December 31
	2022	$	7
	2023		6
Total lease payments			13
	Less amount representing interest		(1	)
Total		$	12