Summary of Significant Accounting Policies - Net Accounts Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Gross Accounts Receivable	$ 471	$ 1,254	$ 2,029
Less: Allowance for Doubtful Accounts	(26)	(14)	(8)
Net Accounts Receivable	$ 445	$ 1,240	$ 2,021