Acquisitions - Summary of Net Assets (Liabilities) Acquired (Details) $ in Thousands	Feb. 28, 2021 USD ($)
Business Acquisition [Line Items]
Cash and cash equivalents	$ 1,899
Prepaid expenses and other assets	599
Property and equipment, net	16
Other long-term assets	7
Accounts payable	(802)
Accrued expenses	(1,576)
Net assets (liabilities) acquired	143
Oppilan
Business Acquisition [Line Items]
Cash and cash equivalents	1,748
Prepaid expenses and other assets	587
Property and equipment, net	10
Accounts payable	(453)
Accrued expenses	(722)
Net assets (liabilities) acquired	1,170
Zomagen
Business Acquisition [Line Items]
Cash and cash equivalents	151
Prepaid expenses and other assets	12
Property and equipment, net	6
Other long-term assets	7
Accounts payable	(349)
Accrued expenses	(854)
Net assets (liabilities) acquired	$ (1,027)