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Summary of Significant Accounting Policies - Schedule of Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques (Details) - $ / shares | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Measurement Input, Exercise Price [Member] |  |
Fair value assumptions, exercise price | $ 1.25 | $ 1.25
Measurement Input, Risk Free Interest Rate [Member] |  |
Fair value assumptions, percentage | 1.59% | 2.46%
Measurement Input, Expected Dividend Rate [Member] |  |
Fair value assumptions, percentage | 0.00% | 0.00%
Measurement Input, Price Volatility [Member] |  |
Fair value assumptions, percentage | 133.00% | 152.00%
Measurement Input, Contractual Term [Member] |  |
Fair value assumptions contractual term | 1 year 1 month 24 days | 2 years 1 month 24 days

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- Definition Fair Value Assumptions Contractual Term. + References No definition available. + Details
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- Definition Fair Value Assumptions Exrcise Price. + References No definition available. + Details
Name: | PTIX_FairValueAssumptionsExrcisePrice
Namespace Prefix: | PTIX_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Fair Value Assumptions Percentage. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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