EMPLOYEE RETENTION CREDIT (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2026	Dec. 31, 2025	Nov. 30, 2022
EMPLOYEE RETENTION CREDIT
Employee retention credit receivable	$ 0.7		$ 1.5
Proceeds from Employee Retention Credit	$ 0.0	$ 0.8

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

No definition available.

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