XML 58 R47.htm IDEA: XBRL DOCUMENT v3.10.0.1

STOCKHOLDERS' EQUITY (Offering Warrants) (Details) - USD ($)	1 Months Ended		3 Months Ended	9 Months Ended
	Feb. 28, 2018	Aug. 31, 2017	Sep. 30, 2018	Sep. 30, 2018	Apr. 30, 2018	Nov. 30, 2017
Class of Stock [Line Items]
Warrants exercised				300,000
Offering Warrants [Member]
Class of Stock [Line Items]
Stock rights issued (in shares)		2,680,000
Exercise price (in dollars per share)	$ 1.04	$ 3.00	$ 0.75	$ 0.75	$ 0.30	$ 1.40
Deemed dividend	$ 62,000		$ 63,000
Warrants exercised			79,000	2,200,000
Proceeds from issuance of warrants			$ 24,000	$ 795,000
Intrinsic value of warrants exercised in period			$ 14,000	$ 420,000

X

- Definition

Class of Warrant or Right, Number of Issued Warrants or Rights

+ References

No definition available.

+ Details

Name:	prpo_ClassOfWarrantOrRightNumberOfIssuedWarrantsOrRights
Namespace Prefix:	prpo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Deemed Dividend

+ References

No definition available.

+ Details

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

X

- Definition

Warrants exercised

+ References

No definition available.

+ Details

Name:	prpo_WarrantsExercised
Namespace Prefix:	prpo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

+ Details

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

X

- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=prpo_OfferingWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: