Operating Leases - Additional information (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Operating Leases
Operating leases that had not yet commenced	$ 0	$ 0

Represents the amount of operating leases that had not yet commenced.

No definition available.

Name:	ptpi_LesseeOperatingLeaseLeaseNotYetCommencedAmount
Namespace Prefix:	ptpi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant