Stock-Based Compensation - Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Stock-Based Compensation
Total stock-based compensation	$ 1,022	$ 1,412	$ 1,923	$ 2,106
Sales and marketing
Stock-Based Compensation
Total stock-based compensation	340	253	647	437
General and administrative
Stock-Based Compensation
Total stock-based compensation	535	385	999	751
Research and development
Stock-Based Compensation
Total stock-based compensation	$ 147	$ 774	$ 277	$ 918