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Income Taxes - Schedule of Unrecognized Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Balance at the beginning of the year	$ 271
Pointer uncertain tax positions assumed	112
Additions based on tax positions taken related to the current year	7
Balance at the end of the year	$ 390	$ 271

X

- Definition

Additions based on tax positions taken related to the current year.

+ References

No definition available.

+ Details

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X

- Definition

Pointer uncertain tax positions assumed.

+ References

No definition available.

+ Details

Name:	PWFL_PointerUncertainTaxPositionsAssumed
Namespace Prefix:	PWFL_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- References

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

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