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EMPLOYEE RETENTION CREDIT (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2025	Sep. 30, 2025	Nov. 30, 2022
EMPLOYEE RETENTION CREDIT
Employee retention credit receivable		$ 0.7	$ 1.5
Proceeds from Employee Retention Credit	$ 0.8

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- References

No definition available.

+ Details

Name:	prpo_EmployeeRetentionCreditDisclosureAbstract
Namespace Prefix:	prpo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

The amount of Employee Retention Credit receivable, subject to certain criteria, under the provisions of the CARES Act.

+ References

No definition available.

+ Details

Name:	prpo_EmployeeRetentionCreditReceivable
Namespace Prefix:	prpo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Definition

The amount of cash inflow received by the entity relating to the refundable employee retention credit program during the reporting period.

+ References

No definition available.

+ Details

Name:	prpo_ProceedsFromEmployeeRetentionCredits
Namespace Prefix:	prpo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration