Represents the net leverage ratio.

No definition available.

Name:	pdfs_DebtInstrumentCovenantNetLeverageRatio
Namespace Prefix:	pdfs_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the fixed charge coverage ratio.

+ References

No definition available.

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility when the EBITDA ratio is greater than 2.50 to 1.00.

+ References

No definition available.

+ Details

Name:	pdfs_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentageEbitdaRatioGreaterThan250To100
Namespace Prefix:	pdfs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility when the EBITDA ratio is less than 0.50 to 1.00.

+ References

No definition available.

+ Details

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Namespace Prefix:	pdfs_
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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility when the EBITDA ratio is less than 2.50 to 1.00 but greater than 0.50 to 1.00.

+ References

No definition available.

+ Details

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Namespace Prefix:	pdfs_
Data Type:	dtr-types:percentItemType
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Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-Name Accounting Standards Codification
-Section 55
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+ Details

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

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.5-02(22)(a)(1))
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
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+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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Note 5 - Debt (Details Textual) - The Credit Facilities [Member] $ in Millions	Apr. 23, 2026 USD ($)	Mar. 07, 2025 USD ($)	Mar. 31, 2030 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025
Debt, Weighted Average Interest Rate				5.90%	6.50%
Debt Instrument Covenant Net Leverage Ratio		3
Fixed Charge Coverage Ratio		1.25
Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		0.50%
Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate		1.00%
Term Loan [Member]
Debt Instrument, Face Amount		$ 25.0
Term Loan [Member] \| Base Rate [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		1.00%
Term Loan [Member] \| Base Rate [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		1.75%
Term Loan [Member] \| Secured Overnight Financing Rate (SOFR) [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		2.00%
Term Loan [Member] \| Secured Overnight Financing Rate (SOFR) [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		2.75%
Revolving Credit Facility [Member]
Debt Instrument, Face Amount		$ 45.0		$ 45.0
Debt Instrument, Periodic Payment, Principal		$ 0.6
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.50%
Revolving Credit Facility [Member] \| Base Rate [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		1.00%
Revolving Credit Facility [Member] \| Base Rate [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		1.75%
Revolving Credit Facility [Member] \| Secured Overnight Financing Rate (SOFR) [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		2.00%
Revolving Credit Facility [Member] \| Secured Overnight Financing Rate (SOFR) [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		2.75%
Revolving Credit Facility [Member] \| Forecast [Member]
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid			$ 13.1
Revolving Credit Facility, First Amendment [Member]
Debt Instrument, Face Amount	$ 75.0
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.50%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, EBITDA Ratio Greater Than 2.50 to 1.00	0.50%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, EBITDA Ratio Less Than 2.50 to 1.00 But Greater Than 0.50 to 1.00	0.35%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, EBITDA Ratio Less Than 0.50 to 1.00	0.20%
Line of Credit Facility, Remaining Borrowing Capacity				$ 30.0