XML 63 R47.htm IDEA: XBRL DOCUMENT
v3.22.1

SHARE CAPITAL (Schedule of Options and Restricted Stocks Granted) (Details) - Option to purchase shares of common stock - USD ($) |  | 12 Months Ended
--- | --- | ---
Jul. 25, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted | 50,000 |  |  |
Vesting period | 4 years |  |  |
Fair value at grant | $ 55,000 |  |  |
Exercise Price 4.69 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  |  | 160,000
Exercise price |  |  |  | $ 4.69
Vesting period |  |  |  | 4 years
Fair value at grant |  |  |  | $ 449,000
Expiration period |  |  |  | 10 years
Exercise Price 2.00 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  |  | 80,000
Exercise price |  |  |  | $ 2.00
Vesting period |  |  |  | 4 years
Fair value at grant |  |  |  | $ 97,000
Expiration period |  |  |  | 10 years
Exercise Price 3.59 One |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  | 196,995 |
Exercise price |  |  | $ 3.59 |
Vesting period |  |  | 4 years |
Fair value at grant |  |  | $ 482,000 |
Expiration period |  |  | 10 years |
Exercise Price 3.66 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  | 760,311 |
Exercise price |  |  | $ 3.66 |
Vesting period |  |  | 4 years |
Fair value at grant |  |  | $ 1,893,000 |
Expiration period |  |  | 10 years |
Exercise Price 3.73 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  | 129,771 |
Exercise price |  |  | $ 3.73 |
Vesting period |  |  | 4 years |
Fair value at grant |  |  | $ 329,000 |
Expiration period |  |  | 10 years |
No Exercise Price |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  | 694,073 |
Vesting period |  |  | 4 years |
Fair value at grant |  |  | $ 2,492,000 |
Expiration period |  |  | 10 years |
Exercise Price 3.59 Two |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  |  | 122,656 |
Exercise price |  |  | $ 3.59 |
Vesting period |  |  | 4 years |
Fair value at grant |  |  | $ 299,000 |
Expiration period |  |  | 10 years |
Exercise Price 1.57 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options granted |  | 50,000 |  |
Exercise price |  | $ 1.57 |  |
Vesting period |  | 4 years |  |
Fair value at grant |  | $ 55,000 |  |
Expiration period |  | 10 years |  |

X
- Definition Share based compensation arrangement by share based payment award grant date fair value. + References No definition available. + Details
Name: | plx_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDateFairValue
Namespace Prefix: | plx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Share based compensation arrangement by share based payment award granted contractual term. + References No definition available. + Details
Name: | plx_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedContractualTerm
Namespace Prefix: | plx_
Data Type: | xbrli:durationItemType
Balance Type: | na
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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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 Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=plx_ExercisePrice4.69Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=plx_ExercisePrice2.00Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=plx_ExercisePrice3.59OneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=plx_ExercisePrice3.66Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=plx_ExercisePrice3.73Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=plx_NoExercisePriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=plx_ExercisePrice3.59TwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=plx_ExercisePrice1.57Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |