XML 28 R6.htm IDEA: XBRL DOCUMENT
v3.20.4

Consolidated Statements of Convertible Preferred Shares and Changes in Shareholders’ Equity (Deficit) (Parentheticals) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Statement of Stockholders' Equity [Abstract] |  |
Net of issuance costs | $ 3,822 | $ 187

X
- Definition Amount of issuance costs net. + References No definition available. + Details
Name: | pypd_NetOfIssuanceCosts
Namespace Prefix: | pypd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration