v3.24.1.u1
Condensed Consolidated Statements of Shareholders' Equity (Parenthetical)
$ in Millions
3 Months Ended
Mar. 31, 2023
USD ($)
Public Offering
Stock Issuance Costs
$ (1.4)
X
- Definition
Stock Issuance Costs
+ References
No definition available.
+ Details
Name:
prta_StockIssuanceCosts
Namespace Prefix:
prta_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- Details
Name:
us-gaap_SubsidiarySaleOfStockAxis=prta_PublicOfferingMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: