Guarantee Fees.

No definition available.

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Namespace Prefix:	PCLA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Incurred guarantee fee.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Unpaid Guarantee Fees and Accrued Interest.

+ References

No definition available.

+ Details

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Namespace Prefix:	PCLA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Unpaid guaranty fees.

+ References

No definition available.

+ Details

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Namespace Prefix:	PCLA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of short-term bank loan secured by broker-dealer customer's security.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Rule 15c3-1
-Number 240
-Section 15c3-1
-Publisher SEC

+ Details

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Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase from purchase of accounts receivable.

+ References

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-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-11

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

+ Details

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

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
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+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

+ References

+ Details

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

- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Publisher FASB
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+ Details

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Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
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-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

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

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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- Details

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RELATED PARTY TRANSACTIONS (Details Narrative) - JPY (¥) ¥ in Thousands	12 Months Ended			84 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2019
Related Party Transaction [Line Items]
Contract liability	¥ 153,477	¥ 78,170	¥ 30,255
Incurred guarantee fee	132
Prepaid expenses	660
Unpaid guarantee fees	792
Bank loan		50,000
Guarantee fees		1,371
Unpaid guarantee fees and accrued interest				¥ 8,513
EXEO Group [Member]
Related Party Transaction [Line Items]
Amount from related party	78,142	60,011
Accounts receivable purchase	1,394	48,044
Contract liability	¥ 13,822	¥ 10,929
EXEO Group [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Holder, interest rate	5.00%	5.00%
SHIMIZU CORPORATION [Member]
Related Party Transaction [Line Items]
Amount from related party	¥ 1,856	¥ 189	¥ 21,735
Accounts receivable purchase		¥ 165
SHIMIZU CORPORATION [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Holder, interest rate	5.00%	5.00%	5.00%
Sojitz Corporation [Member]
Related Party Transaction [Line Items]
Amount from related party			¥ 28
Accounts receivable purchase	¥ 0	¥ 0
Sojitz Corporation [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Holder, interest rate	5.00%	5.00%	5.00%
KAGA ELECTRONICS CO.,LTD [Member]
Related Party Transaction [Line Items]
Amount from related party		¥ 35,952	¥ 41,547
Accounts receivable purchase		¥ 7,863	¥ 7,379
KAGA ELECTRONICS CO.,LTD [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Holder, interest rate		5.00%	5.00%
MCC Venture Capital Limited [Member] \| Convertible Bond Agreement [Member]
Related Party Transaction [Line Items]
Holder, interest rate	¥ 199,998
Bond payable	199,998
Accrued interest expenses	¥ 19,178
MCC Venture Capital Limited [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Holder, interest rate	5.00%