v3.26.1
Organization and Description of Business (Details)
6 Months Ended
Jun. 30, 2026
area
Organization and Description of Business
Number of therapeutic areas
3
X
- Definition
Represents the number of therapeutic areas that programs fall into.
+ References
No definition available.
+ Details
Name:
ptgx_NumberOfTherapeuticAreas
Namespace Prefix:
ptgx_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration