Summary of Significant Accounting Policies - Schedule of Financial Assets and Liabilities Measured and Recognized at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets:
Money market funds	$ 30,783	$ 57,357
Convertible promissory note	4,653	4,021
Embedded derivative asset in convertible promissory note	1,027	962
Investment in Tyme	2,800	6,030
Liability:
Foreign currency exchange contracts	685
Level 1
Assets:
Money market funds	30,783	57,357
Convertible promissory note	0	0
Embedded derivative asset in convertible promissory note	0	0
Investment in Tyme	2,800	6,030
Liability:
Foreign currency exchange contracts	0
Level 2
Assets:
Money market funds	0	0
Convertible promissory note	0	0
Embedded derivative asset in convertible promissory note	0	0
Investment in Tyme	0	0
Liability:
Foreign currency exchange contracts	685
Level 3
Assets:
Money market funds	0	0
Convertible promissory note	4,653	4,021
Embedded derivative asset in convertible promissory note	1,027	962
Investment in Tyme	0	$ 0
Liability:
Foreign currency exchange contracts	$ 0