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SUBSEQUENT EVENTS (Details) - Subsequent Events [Member] - Factoring And Security Agreement [Member] - Culain Capital Funding, LLC [Member]	Mar. 27, 2023 USD ($)
Subsequent Event [Line Items]
Purchased receivables	$ 2,000,000
Percentage of sale on accounts receivable	85.00%
Percentage of initial discount rate	1.25%
Fixed discount period	30 days
Percent of variable fee payable	0.042%
Term of agreement	12 months
Renewal term	12 months
Termination notice period	60 days
Purchased receivable limit	$ 2,000,000.0
Purchase receivable limit, Multiplier	1.25

X

- Definition

The purchased receivable limit for calculation of early termination fee payable under factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementEarlyTerminationFeesCalculationPurchasedReceivableLimit
Namespace Prefix:	prpo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The multiplier with purchased receivable limit, for calculation of early termination fee payable under factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementEarlyTerminationFeesCalculationPurchasedReceivableLimitMultiplier
Namespace Prefix:	prpo_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of fixed discount period under factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementFixedDiscountPeriod
Namespace Prefix:	prpo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of amount of initially receivable by the company on sale of accounts receivable under the factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementPercentInitiallyReceivableOnSaleOfAccountsReceivable
Namespace Prefix:	prpo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of initial discount rate, on the basis of which, the fee payable is determined under factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementPercentOfInitialDiscountRateOnPurchasedReceivableForFeeCalculation
Namespace Prefix:	prpo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of variable fee payable under factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementPercentOfVariableFeePayable
Namespace Prefix:	prpo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The renewal term of factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementRenewalTerm
Namespace Prefix:	prpo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The term of factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementTerm
Namespace Prefix:	prpo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The notice period for termination of factoring agreement.

+ References

No definition available.

+ Details

Name:	prpo_FactoringAgreementTerminationNoticePeriod
Namespace Prefix:	prpo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of decrease from sale of accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 11
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447

+ Details

Name:	us-gaap_AccountsReceivableSale
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=prpo_FactoringAndSecurityAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=prpo_CulainCapitalFundingLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: