Operating Leases - Future minimum sublease income under non-cancelable leases (Details)	Sep. 30, 2023 USD ($)
Sublease income
2023 (remaining 3 months)	$ 21,000
2024	56,000
Total	$ 77,000

Future rental payments receivable for sub-lease within remainder of fiscal year of the balance sheet date under an operating lease.

No definition available.

Name:	ptpi_OperatingLeasesFutureMinimumPaymentsReceivableSubLeaseRemainderOfFiscalYear
Namespace Prefix:	ptpi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant