The amount of embedded derivative no longer bifurcated reclassified to stockholders equity on exercise.

No definition available.

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

- Definition

Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959

+ Details

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

- Definition

The amount of the liability for the conversion option reclassified to stockholders' equity when the embedded option no longer required separation from the host instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 15
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35708913&loc=d3e50896-113970

+ Details

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

- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

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

- Definition

Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

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

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=poai_ABAndAgentWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=poai_PromissoryNote2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=poai_WarrantsAndAgentWarrantsInConnectionWithMay2020WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=poai_WarrantsAndAgentWarrantsInConnectionWithJune2020WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=poai_PromissoryNote20202Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 7 - Derivatives - Change in Fair Value of Derivative Liabilities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021
Derivative liability balance	$ 294,382	$ 50,989
Derivative instrument recognized for May 2020 Warrants		294,382	$ 129,480
Reclassification of Warrant liabilities to Equity on exercise	(1,701,756)
Reclassification of Warrant liabilities to Equity	(2,669,408)
Gain recognized to revalue derivative instrument at fair value	(164,902)	(1,765,906)
Derivative liability balance		$ 294,382
A, B and Agent Warrants [Member]
Derivative instrument recognized	2,669,995
Promissory Note 2020 [Member]
Derivative instrument recognized	120,921
Warrants and Agent Warrants In Connection With May 2020 Warrant [Member]
Derivative instrument recognized for May 2020 Warrants	1,324,184
Derivative liability balance	1,324,184
Warrants and Agent Warrants In Connection With June 2020 Warrant [Member]
Derivative instrument recognized	495,100
Derivative instrument recognized for May 2020 Warrants	1,749,721
Derivative liability balance	1,749,721
Promissory Note 2020 2 [Member]
Derivative instrument recognized	$ 20,542