Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Parenthetical) (Details)

v3.21.2

Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Parenthetical) (Details) $ in Thousands	Jan. 31, 2021 USD ($)
Prepaid Expense And Other Assets Current [Abstract]
Refundable FDA filing fee received	$ 2,876