XML 79 R67.htm IDEA: XBRL DOCUMENT
v3.22.1

STOCKHOLDERS' EQUITY (At The Market Offering Agreement) (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Apr. 02, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Apr. 13, 2020
Class of Stock [Line Items] |  |  |  |
Common stock, par value |  | $ 0.01 | $ 0.01 |
Proceeds from issuance of common stock |  | $ 16,207 | $ 8,929 |
AGP | At The Market Offering Agreement |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock, par value | $ 0.01 |  |  |
Aggregate sales proceeds of common stock | $ 22,000 |  |  |
Aggregate authorized offering price |  |  |  | $ 50,000
Percentage of cash fee | 3.00% |  |  |
Proceeds from issuance of common stock |  | $ 14,900 |  |
Shares issued (in shares) |  | 4,501,000 |  |

X
- Definition The cash fee expressed as a percentage of aggregate gross proceeds from the sale of the shares of the company under the agreement. + References No definition available. + Details
Name: | prpo_CashFeeAsPercentageOfGrossProceedsOfSaleOfStock
Namespace Prefix: | prpo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of aggregate authorized offering price of common stock under the agreement. + References No definition available. + Details
Name: | prpo_SaleOfCommonStockAggregateOfferingPriceAuthorized
Namespace Prefix: | prpo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The maximum amount of aggregate sale proceeds of common stock under the agreement. + References No definition available. + Details
Name: | prpo_SaleOfCommonStockMaximumAggregateSaleProceeds
Namespace Prefix: | prpo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=prpo_AllianceGlobalPartnersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=prpo_AtMarketOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |