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

X

- Definition

Accumulated reduction.

+ References

No definition available.

+ Details

Name:	PPCB_AccumulatedReduction
Namespace Prefix:	PPCB_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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