Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Prepaid Expenses and Other Current Assets
Prepaid insurance	$ 6,523	$ 3,224
Receivable due from manufacturer	554
Other prepaid expenses	434	345
Prepaid legal expenses	255
Prepaid clinical development expenses	100	512
Prepaid manufacturing expenses		1,028
Total prepaid expenses and other current assets	$ 7,866	$ 5,109

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Name:	us-gaap_PrepaidInsurance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant