Stock-Based Compensation - Schedule of Stock-based Compensation Expense Included in Operating Expenses (Details) - Plans [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation in operating expenses	$ 74	$ 105	$ 359	$ 1,802
Selling, General and Administrative [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation in operating expenses	85	78	302	1,551
Research and Development [Member]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-based compensation in operating expenses	$ (11)	$ 27	$ 57	$ 251