Covered period.

No definition available.

Name:	prcp_CoveredPeriod
Namespace Prefix:	prcp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument monthly interest rate.

+ References

No definition available.

+ Details

Name:	prcp_DebtInstrumentMonthlyInterestRate
Namespace Prefix:	prcp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, maximum borrowing capacity, inventory based amount.

+ References

No definition available.

+ Details

Name:	prcp_LineOfCreditFacilityMaximumBorrowingCapacityInventoryBasedAmount
Namespace Prefix:	prcp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of credit facility, maximum borrowing capacity, percentage of eligible accounts receivable.

+ References

No definition available.

+ Details

Name:	prcp_LineOfCreditFacilityMaximumBorrowingCapacityPercentageOfEligibleAccountsReceivable
Namespace Prefix:	prcp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of credit facility, maximum borrowing capacity, percentage of eligible inventory.

+ References

No definition available.

+ Details

Name:	prcp_LineOfCreditFacilityMaximumBorrowingCapacityPercentageOfEligibleInventory
Namespace Prefix:	prcp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

Name:	us-gaap_LongTermDebtCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

Name:	us-gaap_LongTermDebtNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_ForeignLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=prcp_BrazilSubsidiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=prcp_CurrentPortionOfLongTermDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- 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:

- Details

Name:	us-gaap_DebtInstrumentAxis=prcp_PaycheckProtectionProgramCARESActMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=prcp_UnsecuredLoanWithTCFNationalBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=prcp_LoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Credit Facilities (Narrative) (Details)	3 Months Ended
Credit Facilities (Narrative) (Details)	Sep. 30, 2020 USD ($)	Sep. 30, 2020 BRL (R$)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 BRL (R$)	Apr. 16, 2020 USD ($)	Dec. 04, 2017 USD ($)
Line of Credit Facility [Line Items]
Credit facility, amount outstanding	$ 2,200,000		$ 2,200,000
Long-term balance of PPP loan	1,701,000		1,983,000
Foreign Credit Lines [Member] \| Brazilian Subsidiary [Member]
Line of Credit Facility [Line Items]
Credit facility, amount outstanding			$ 46,000	R$ 250,000
Credit facility, maximum borrowing capacity	63,000	R$ 354,000
Foreign Credit Lines [Member] \| Brazilian Subsidiary [Member] \| Current Portion of Long Term Debt [Member]
Line of Credit Facility [Line Items]
Credit facility, amount outstanding	$ 39,000	R$ 218,000
Foreign Credit Lines [Member] \| Minimum [Member] \| Brazilian Subsidiary [Member]
Line of Credit Facility [Line Items]
Monthly interest rate on outstanding balances			0.37%	0.37%
Foreign Credit Lines [Member] \| Maximum [Member] \| Brazilian Subsidiary [Member]
Line of Credit Facility [Line Items]
Monthly interest rate on outstanding balances			13.94%	13.94%
Paycheck Protection Program, Cares Act [Member]
Line of Credit Facility [Line Items]
Covered period	twenty-four week
Unsecured Loan with TCF National Bank [Member] \| Paycheck Protection Program, Cares Act [Member]
Line of Credit Facility [Line Items]
Aggregate principal amount					$ 2,500,000
Debt instrument, term	2 years
Debt instrument, interest rate, stated percentage					1.00%
Debt instrument, frequency of periodic payment of principal and interest	monthly
Short term balance of PPP loan	$ 800,000		$ 500,000
Long-term balance of PPP loan	$ 1,700,000		$ 2,000,000.0
Loan Agreement [Member]
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity						$ 8,000,000.0
Credit facility, maximum borrowing capacity as a percentage of eligible accounts receivable	80.00%	80.00%
Credit facility, maximum borrowing capacity as a percentage of eligible inventory	50.00%
Credit facility, maximum borrowing capacity, inventory based amount	$ 3,000,000.0
Credit facility, additional available borrowing capacity	$ 3,300,000
Interest on LIBOR-based advances, basis spread	2.65%