The number of warrants or rights issued during period.

No definition available.

Name:	poai_ClassOfWarrantOrRightIssuedDuringPeriod
Namespace Prefix:	poai_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The change in fair value of derivative liability due to the issuance of warrants.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The amount of monthly cash payment made to a related party.

+ References

No definition available.

+ Details

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Namespace Prefix:	poai_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

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

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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Note 9 - Related Party Transactions (Details Textual) - USD ($)					1 Months Ended	3 Months Ended
	Jul. 15, 2019	May 30, 2019	May 21, 2019	May 09, 2019	Oct. 31, 2018	Jun. 30, 2019	Dec. 31, 2018
Derivative Liability, Total						$ 541,599	$ 272,745
Embedded Derivative Financial Instruments [Member]
Derivative Liability, Total						$ 504,092
Director [Member]
Related Party Transaction, Monthly Cash Payment					$ 13,500
Chief Executive Officer [Member]
Proceeds from Related Party Debt			$ 1,620,000
Chief Executive Officer [Member] \| Loans From Dr. Schwartz [Member]
Proceeds from Related Party Debt		$ 200,000		$ 75,000
Debt Instrument, Interest Rate, Stated Percentage		8.00%
Chief Executive Officer [Member] \| Loans From Dr. Schwartz [Member] \| Subsequent Event [Member]
Proceeds from Related Party Debt	$ 25,000
Debt Instrument, Interest Rate, Stated Percentage	8.00%
Chief Executive Officer [Member] \| Schwartz Warrant [Member]
Class of Warrant or Right Issued During Period						34,518
Chief Executive Officer [Member] \| Schwartz Warrant [Member] \| Embedded Derivative Financial Instruments [Member]
Derivative Liability, Change in Fair Value Due to Issuance of Warrants						$ 32,215
Derivative Liability, Total						$ 36,507