XML 72 R50.htm IDEA: XBRL DOCUMENT
v3.20.4

Shareholders' Equity (Deficit) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Options granted (in Shares) | 1,064,959 | 82,216 |
Granted stock option expire period | 10 years |  |
Expected dividend yield | 0.00% |  |
Unrecognized compensation costs (in Dollars) | $ 10,071 |  |
Recognized over weighted average period | 2 years 255 days |  |
Employee Stock Options [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Expected volatility, minimum | 74.35% | 69.80% | 91.44%
Expected volatility, maximum | 84.77% | 76.14% | 96.87%
Risk free interest rates, minimum | 0.23% | 2.26% | 3.43%
Risk free interest rates, maximum | 1.38% | 3.13% | 3.90%
Expected dividend yield | 0.00% | 0.00% | 0.00%
Employee Stock Options [Member] | Minimum [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Expected term | 5 years | 6 years | 6 years
Employee Stock Options [Member] | Maximum [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Expected term | 6 years | 7 years | 7 years
2012 Share Option Plan [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Stock option vesting period | 3 years |  |
Stock options available for future grants (in Shares) | 1,019,457 |  |
Officers [Member] | 2012 Share Option Plan [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Options granted (in Shares) | 3,672,094 |  |
Directors [Member] | 2012 Share Option Plan [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Options granted (in Shares) | 3,672,094 |  |
Advisors [Member] | 2012 Share Option Plan [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Options granted (in Shares) | 3,672,094 |  |
Management [Member] | 2012 Share Option Plan [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Options granted (in Shares) | 3,672,094 |  |
Other Key Employees [Member] | 2012 Share Option Plan [Member] |  |  |
Shareholders' Equity (Deficit) (Details) [Line Items] |  |  |
Options granted (in Shares) | 3,672,094 |  |

X
- Definition Recognized over a weighted average period. + References No definition available. + Details
Name: | pypd_RecognizedOverWeightedAveragePeriod
Namespace Prefix: | pypd_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based compensation arrangement by share-based payment award, pptions, expire period. + References No definition available. + Details
Name: | pypd_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExpirePeriod
Namespace Prefix: | pypd_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Stock options available for future grants. + References No definition available. + Details
Name: | pypd_StockOptionsAvailableForFutureGrants
Namespace Prefix: | pypd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrecognized compensation costs. + References No definition available. + Details
Name: | pypd_UnrecognizedCompensationCosts
Namespace Prefix: | pypd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum risk-free interest rate assumption that is used in valuing an option on its own shares. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum risk-free interest rate assumption that is used in valuing an option on its own shares. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.D.2) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_EmployeeStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=pypd_TwoThousandTwelveShareOptionPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_OfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=pypd_AdvisorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_ManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=pypd_OtherKeyEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |