Trade Accounts Receivable and Allowance for Doubtful Accounts (Tables)

12 Months Ended

Dec. 31, 2021

Receivables [Abstract]

Summary of Trade Accounts Receivable

Trade accounts receivable are recorded at the contractual or invoiced amount.

	December 31,			December 31,
	2021			2020
Trade accounts receivable, current	$	6,393		$	3,932
Trade accounts receivable, long-term		186			—
Allowance for doubtful accounts		(25	)		(25	)
Trade accounts receivable, net	$	6,554		$	3,907
Unpaid deferred revenue included in trade    accounts receivable	$	1,891		$	1,711

Customers Accounted for 10% or More of Trade Accounts Receivable, Net

The following customers accounted for 10% or more of trade accounts receivable, net:

	December 31,			December 31,
	2021			2020
Company A		43	%		69	%
Company B		15	%		0	%
Company C		11	%		0	%