XML 77 R55.htm IDEA: XBRL DOCUMENT
v3.25.2

Related Party Transactions (Details) - NorthView Acquisition Corp [Member] - USD ($) |  |  |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended | 15 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 24, 2025 | Feb. 11, 2025 | Apr. 27, 2023 | Dec. 20, 2021 | Oct. 31, 2021 | Apr. 30, 2021 | Jun. 30, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Jun. 30, 2025 | May 08, 2025 | May 31, 2024 | Jan. 10, 2024 | Jun. 15, 2023 | Dec. 22, 2021
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  |  |  |  | $ 661,012 |  |  |  |  |  |  |
Aggregate shares (in Shares) |  |  |  |  |  |  |  | 52,784 |  |  |  |  |  |  |  |  |
Common stock, par value (in Dollars per share) |  |  |  |  |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001 |  | $ 0.0001 |  |  |  |  |
Cancellation shares of common stock (in Shares) |  |  |  |  | 862,500 |  |  |  |  |  |  |  |  |  |  |  |
Common stock exceeds per share (in Dollars per share) |  |  |  |  |  |  |  | 12 |  | $ 12 |  |  |  |  |  |  |
Number of trading days |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,500,000 | $ 1,500,000 |  |
Common stock price (in Dollars per share) |  |  |  |  |  |  | $ 2.22 | $ 2.22 |  |  |  | $ 2.22 |  | $ 2.22 | $ 2.22 |  |
Outstanding amount |  |  |  |  |  |  | $ 1,919,796 | $ 1,919,796 |  | $ 1,919,796 |  | $ 1,919,796 |  |  |  |  |
Percentage of original issue discount |  | 10.00% |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |
Change in fair value of securities purchase agreement |  |  |  |  |  |  |  | $ 193,878 |  | 0 |  |  |  |  |  |  |
Conversion price (in Dollars per share) |  | $ 10 |  |  |  |  |  |  |  |  |  |  | $ 1.25 |  |  |  |
Convertible loans |  |  |  |  |  |  | 1,500,000 | 1,500,000 |  | 1,500,000 |  | 1,500,000 |  |  |  |  |
Administrative service fee |  |  |  |  |  |  | 0 | $ 0 | $ 0 | 0 | $ 30,000 | 0 |  |  |  |  |
Paid costs | $ 8,820 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expenses incurred and paid |  |  |  |  |  |  |  |  |  | $ 50,000 | $ 50,000 |  |  |  |  |  |
Ascent Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior secured convertible promissory notes |  | $ 22,222,222 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  | $ 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of original issue discount |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PIPE Convertible Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of trading days |  |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |
Senior secured convertible promissory notes |  |  |  |  |  |  | $ 10,000,000 | $ 10,000,000 |  |  |  | $ 10,000,000 |  |  |  |  |
Purchase price |  |  |  |  |  |  |  | $ 9,000,000 |  |  |  |  |  |  |  |  |
Maturity of convertible note |  |  |  |  |  |  |  | 18 months |  |  |  |  |  |  |  |  |
Conversion price (in Dollars per share) |  |  |  |  |  |  | $ 10 | $ 10 |  |  |  | $ 10 |  |  |  |  |
Percentage of lowest volume-weighted average price |  |  |  |  |  |  | 95.00% | 95.00% |  |  |  | 95.00% |  |  |  |  |
Related Party Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in Dollars per share) |  |  |  |  |  |  | $ 1 | $ 1 |  | $ 1 |  | $ 1 |  |  |  |  |
Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant price per share (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11.5
Business Combination [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2 |
Business combination |  |  |  |  |  |  |  | $ 1,299,040 |  | $ 791,407 |  |  |  |  |  |  |
Sponsor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |  |  |  |  |
Price per share (in Dollars per share) |  |  |  |  |  | $ 0.005 |  |  |  |  |  |  |  |  |  |  |
Sponsor amount |  |  | $ 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sponsor [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant price per share (in Dollars per share) |  |  | $ 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible promissory note |  |  |  |  |  |  | $ 10,288,111 | 10,288,111 |  | 8,908,052 |  | $ 10,288,111 |  |  |  |  |
Founder Shares [Member] | Sponsor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |  |  |  |  |
Price per share (in Dollars per share) |  |  |  |  |  | $ 0.005 |  |  |  |  |  |  |  |  |  |  |
Aggregate shares (in Shares) |  |  |  |  |  | 5,175,000 |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in Dollars per share) |  |  |  |  |  | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |
Administrative Support Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expenses per month |  |  |  |  |  |  |  | 5,000 |  | 5,000 |  |  |  |  |  |  |
Sponsor [Member] | Related Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due to related party |  |  |  |  |  |  | $ 50,000 | $ 50,000 |  | $ 50,000 |  | $ 50,000 |  |  |  |  |
Founder Shares [Member] | Sponsor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |  |  |  |  |
Price per share (in Dollars per share) |  |  |  |  |  | $ 0.005 |  |  |  |  |  |  |  |  |  |  |
Aggregate shares (in Shares) |  |  |  |  |  | 5,175,000 |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in Dollars per share) |  |  |  |  |  | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |
Aggregate number of shares owned (in Shares) |  |  |  | 4,743,750 |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of trading days |  |  |  |  |  |  |  | 20 days |  | 20 days |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of trading days |  |  |  |  |  |  |  | 30 days |  | 30 days |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, description |  |  |  |  | On December 20, 2021, the Company effected a 1.1- for-1 stock dividend of its common stock |  |  |  |  | 1-for-1 stock dividend of its common stock |  |  |  |  |  |  |
Over-Allotment Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10
Forfeiture shares (in Shares) |  |  |  |  |  |  |  | 618,750 |  | 618,750 |  |  |  |  |  |  |
Over-Allotment Option [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant price per share (in Dollars per share) |  |  |  |  |  |  | $ 11.5 | $ 11.5 |  | $ 11.5 |  | $ 11.5 |  |  |  |  |

X
- Definition The number of shares owned by the founders after the impact of the stock dividend. + References No definition available. + Details
Name: | ck0001859807_AggregateNumberOfSharesOwned
Namespace Prefix: | ck0001859807_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of change in fair value of securities purchase agreement. + References No definition available. + Details
Name: | ck0001859807_ChangeInFairValueOfSecuritiesPurchaseAgreement
Namespace Prefix: | ck0001859807_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Common stock exceeds per share. + References No definition available. + Details
Name: | ck0001859807_CommonStockExceedsPerShare
Namespace Prefix: | ck0001859807_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Convertible working capital promissory note. + References No definition available. + Details
Name: | ck0001859807_ConvertibleWorkingCapitalPromissoryNote
Namespace Prefix: | ck0001859807_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of trading days. + References No definition available. + Details
Name: | ck0001859807_NumberOfTradingDay
Namespace Prefix: | ck0001859807_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represent the percentage of Lowest volume-weighted average price. + References No definition available. + Details
Name: | ck0001859807_PercentageOfLowestVolumeWeightedAveragePrice
Namespace Prefix: | ck0001859807_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of original issue discount. + References No definition available. + Details
Name: | ck0001859807_PercentageOfOriginalIssueDiscount
Namespace Prefix: | ck0001859807_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References No definition available. + Details
Name: | ck0001859807_RelatedPartyTransactionExpensesFromTransactionWithRelatedParty
Namespace Prefix: | ck0001859807_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The contractual monthly amount to be paid for support services. + References No definition available. + Details
Name: | ck0001859807_RelatedPartyTransactionExpensesFromTransactionWithRelatedPartyPerMonth
Namespace Prefix: | ck0001859807_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | ck0001859807_RelatedPartyTransactionsDetailsLineItems
Namespace Prefix: | ck0001859807_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-7 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 10 -Name Accounting Standards Codification -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-23 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ConvertibleDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as Convertible Notes Payable. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ConvertibleNotesPayableCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-5 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of principal of debt issued. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 + Details
Name: | us-gaap_DebtInstrumentIssuedPrincipal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of principal of investment owned. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477439/946-210-55-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 + Details
Name: | us-gaap_InvestmentOwnedBalancePrincipalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(17)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_NotesPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 + Details
Name: | us-gaap_OtherLiabilitiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of selling, general and administrative expense classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_OtherSellingGeneralAndAdministrativeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share or per unit amount of equity securities issued. + References No definition available. + Details
Name: | us-gaap_SharesIssuedPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fees paid to advisors who provide certain management support and administrative oversight services including the organization and sale of stock, investment funds, limited partnerships and mutual funds. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_SponsorFees
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 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478448/946-505-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares (or other type of equity) forfeited during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-11 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 205 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478009/946-205-45-4 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478448/946-505-50-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4 + Details
Name: | us-gaap_StockholdersEquityReverseStockSplit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=ck0001859807_NorthViewAcquisitionCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ck0001859807_AscentNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ck0001859807_PIPEConvertibleNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ck0001859807_RelatedPartyLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ck0001859807_SponsorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ck0001859807_FounderShares1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ck0001859807_AdministrativeSupportAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ck0001859807_SponsorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=ck0001859807_FounderShareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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