Note 12 - COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands	9 Months Ended
Sep. 30, 2022 USD ($)
COMMITMENTS AND CONTINGENCIES
Future Lease payments	$ 8,633
Term of Product Warranty	90 days
Purchase Obligation, Total	$ 13,700
Threshold payment period	12 months

Represents information pertaining to product warranty period following initial delivery.

No definition available.

Name:	pdfs_TermOfProductWarranty
Namespace Prefix:	pdfs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Threshold payment period for majority of purchase obligation.

+ References

No definition available.

+ Details

Name:	pdfs_ThresholdPaymentPeriodOfMajorityOfPurchaseObligation
Namespace Prefix:	pdfs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant