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Commitments and Contingencies - Schedule of Right Use of Asset (Details) - USD ($) | Jun. 30, 2020 | Jun. 30, 2019
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Commitments and Contingencies Disclosure [Abstract] |  |
Office lease ROU | $ 48,662 |
Less accumulated reduction | (26,980) |
Balance of ROU asset | $ 21,682 |

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- Definition Accumulated reduction. + References No definition available. + Details
Name: | PPCB_AccumulatedReduction
Namespace Prefix: | PPCB_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Office lease ROU. + References No definition available. + Details
Name: | PPCB_OperatingLeaseRightOfUseAssets
Namespace Prefix: | PPCB_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant