v3.8.0.1

Warrants - Schedule of Warrants Activity (Details)	9 Months Ended
Warrants - Schedule of Warrants Activity (Details)	Sep. 30, 2017 $ / shares shares
Warrants
Warrants Number Outstanding, Beginning Balance	14,950,000
Warrants Number Expired	(9,100,000)
Warrants Number Outstanding, Ending Balance	5,850,000
Weighted Average Exercise Price Outstanding, Beginning Balance \| $ / shares	$ 0.18
Weighted Average Exercise Price Expired	(0.08)
Weighted Average Exercise Price Outstanding, Ending Balance \| $ / shares	$ 0.34
Weighted Average Remaining Term Outstanding, Beginning Balance	10 months 25 days
Weighted Average Remaining Term Outstanding, Expired	0 years
Weighted Average Remaining Term Outstanding, Ending Balance	1 year 6 months

Weighted Average Remaining Term Outstanding, ending balance.

+ References

No definition available.

+ Details

Name:	PTOI_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms1
Namespace Prefix:	PTOI_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted Average Exercise Price Outstanding, balance

+ References

No definition available.

+ Details

Name:	PTOI_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	PTOI_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	PTOI_WarrantsAbstract
Namespace Prefix:	PTOI_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted Average Exercise Price Expired.

+ References

No definition available.

+ Details

Name:	PTOI_WeightedAverageExercisePriceExpired
Namespace Prefix:	PTOI_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted Average Remaining Term Outstanding, Expired.

+ References

No definition available.

+ Details

Name:	PTOI_WeightedAverageRemainingTermOutstandingExpired
Namespace Prefix:	PTOI_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ 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 (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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