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Business Segments, Concentration of Credit Risk and Significant Customers (Details) - Schedule of Breakdown of Product Revenue by Category - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Product category	$ 4,262	$ 3,060	$ 11,385	$ 10,384
Memory ICs [Member]
Segment Reporting Information [Line Items]
Product category	3,384	1,748	7,181	5,528
mmWave ICs [Member]
Segment Reporting Information [Line Items]
Product category	576	533	2,614	1,699
mmWave antenna modules [Member]
Segment Reporting Information [Line Items]
Product category	302	779	1,586	3,139
mmWave other products [Member]
Segment Reporting Information [Line Items]
Product category			$ 4	$ 18

X

- Definition

The amount of product category.

+ References

No definition available.

+ Details

Name:	prso_ProductCategory
Namespace Prefix:	prso_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

X

- Details

Name:	srt_ProductOrServiceAxis=prso_MemoryICsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=prso_mmWaveICsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=prso_mmWaveAntennaModulesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=prso_mmWaveOtherProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: