Description of net operating loss carryforwards.

No definition available.

Name:	pbts_DescriptionOfNetOperatingLossCarryforwards
Namespace Prefix:	pbts_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of statutory income tax rate.

+ References

No definition available.

+ Details

Name:	pbts_EffectiveincometaxratereconciliationStatutoryIncomeTaxRate
Namespace Prefix:	pbts_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of unified enterprise income tax rate.

+ References

No definition available.

+ Details

Name:	pbts_IncomeTaxUnifiedEnterprisePercentage
Namespace Prefix:	pbts_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	pbts_SubsidiariesInPrcAreSubjectToIncomeTaxRate
Namespace Prefix:	pbts_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	pbts_TaxesDetailsLineItems
Namespace Prefix:	pbts_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	pbts_ValuationAllowanceAgainsts
Namespace Prefix:	pbts_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of value add tax standard rates.

+ References

No definition available.

+ Details

Name:	pbts_ValueAddTaxStandardRates
Namespace Prefix:	pbts_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 11.C)
-URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817

+ Details

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

- Definition

Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.

+ References

+ Details

Name:	us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Taxes (Details) - USD ($)	12 Months Ended
Taxes (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Taxes (Details) [Line Items]
Unified enterprise income tax rate	25.00%
Income tax rate	15.00%
Statutory income tax rate	15.00%
Subsidiaries in PRC are subject to income tax rate	25.00%
Decreased income taxes (in Dollars)	$ 89,850	$ 25,735	$ 595,556
Net income per share (in Dollars per share)			$ 0.07
Description of net operating loss carryforwards	As of December 31, 2021, the Company has approximately $4.6 million net operating loss (“NOL”) carryforwards with expirations by 2026.
Valuation allowance against (in Dollars)	$ 738,187	$ 517,537
Minimum [Member]
Taxes (Details) [Line Items]
Value add tax standard rates	6.00%
Maximum [Member]
Taxes (Details) [Line Items]
Value add tax standard rates	13.00%