Software, net (Tables)

12 Months Ended

Dec. 31, 2021

Research and Development [Abstract]

Schedule of Capitalized Computer Software

Software, net consisted of the following:

	As of December 31,
	2021		2020
Software	$	996	$	992
Accumulated amortization	(879)		(849)
Software, net	$	117	$	143

Schedule of Software Amortization Expense

The following reflects intangible amortization expense included within D&A:

	Year Ended December 31,
	2021		2020		2019
Amortization expense	$	197	$	207	$	257

The following reflects amortization of software included within D&A:

	Year Ended December 31,
	2021		2020		2019
Amortization expense	$	81	$	97	$	107