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Accounts Payable and Accrued Expenses - Schedule of Product Warranty Liability (Details) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued warranty in other liabilities	$ 135	$ 110

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- Definition

Accrued warranty in other liabilities.

+ References

No definition available.

+ Details

Name:	PWFL_AccruedWarrantyInOtherLiabilities
Namespace Prefix:	PWFL_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- References

No definition available.

+ Details

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