Share-Based Compensation - Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation expenses [Abstract]
Share-based compensation expenses	$ 2,221	$ 1,721	$ 3,134	$ 3,228
Restricted stock units
Share-based Compensation expenses [Abstract]
Share-based compensation expenses	39	43	39	81
Stock options
Share-based Compensation expenses [Abstract]
Share-based compensation expenses	2,180	1,667	3,093	3,136
Employee Stock
Share-based Compensation expenses [Abstract]
Share-based compensation expenses	2	11	2	11
Manufacture and supply
Share-based Compensation expenses [Abstract]
Share-based compensation expenses	45	71	93	153
Research and development
Share-based Compensation expenses [Abstract]
Share-based compensation expenses	162	208	331	440
Selling, general and administrative
Share-based Compensation expenses [Abstract]
Share-based compensation expenses	$ 2,014	$ 1,442	$ 2,710	$ 2,635