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Summary of Significant Accounting Policies (Licensed Technology) (Details)	12 Months Ended
	Dec. 31, 2022
Accounting Policies [Abstract]
Years of amortization period of licensed technology, lower limit	2 years
Years of amortization period of licensed technology, upper limit	5 years

X

- Definition

Capitalized licensed technology assets are stated at cost and are amortized on a straight-line basis over the term of the license or the estimated life of the assets, which is generally three to five years.

+ References

No definition available.

+ Details

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X

- Definition

Capitalized licensed technology assets are stated at cost and are amortized on a straight-line basis over the term of the license or the estimated life of the assets, which is generally three to five years.

+ References

No definition available.

+ Details

Name:	pxlw_YearsOfAmortizationPeriodOfLicensedTechnologyUpperLimit
Namespace Prefix:	pxlw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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