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OPERATING LEASES (Additional Information) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($) item facility	Jun. 30, 2025
OPERATING LEASES
Option to extend	true
Number of facilities leased | facility	3
Operating lease, term of agreement	5 years
Notice period for termination of lease agreement	6 months
Operating lease rent increase rate for renewal period	5.00%
Percentage of change in operating lease monthly rental payments	7.50%
Bank guarantee	$ 0.6
ROU asset adjustment	3.1
Lease liability adjustment	$ 3.1
Vehicles
OPERATING LEASES
Operating lease, term of agreement	3 years
Minimum
OPERATING LEASES
Percentage of change in operating lease monthly rental payments		7.50%
Maximum
OPERATING LEASES
Operating lease, renewable term | item	4
Percentage of change in operating lease monthly rental payments		10.00%

X

- Definition

Bank guarantees to secure the fulfillment of obligations under an agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	plx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Disclosure of Leases Operating

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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X

- Definition

Adjustment to the present value of lessee's discounted obligation for lease payments from operating lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	plx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Lessee Operating Lease, Number Of Renewal Term Extensions

+ References

No definition available.

+ Details

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Namespace Prefix:	plx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Rent increase rate applied at the start of each additional option renewal period after the third option period ends under lease agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	plx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Adjustment amount of lessee's right to use underlying asset under operating lease.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Period of advance notice to be given by the company if it intends to terminate lease before an automatic extension is to take effect. In 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	plx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of facilities leased during the period

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage of Change in Operating Lease Monthly Rental Payments.

+ References

No definition available.

+ Details

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Namespace Prefix:	plx_
Data Type:	dtr-types:percentItemType
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Period Type:	instant

X

- Definition

Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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