Inventories - Additional Information (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Inventories
Finished goods are net of valuation reserves	$ 405,495	$ 364,300
Raw materials are net of valuation reserves	$ 2,872,977	$ 2,872,977

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

No definition available.

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