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Private Placement - Additional Information (Detail) - USD ($)		6 Months Ended
	Jul. 16, 2019	Sep. 30, 2019
Proceeds from issuance of warrants		$ 6,350,000
Private Placement [Member]
Warrants and rights issued	4,233,333
Warrants price	$ 1.50
Proceeds from issuance of warrants	$ 6,350,000

X

- Definition

Warrants and Rights Issued

+ References

No definition available.

+ Details

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Namespace Prefix:	pic_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Price per warrant.

+ References

No definition available.

+ Details

Name:	pic_WarrantsIssuedPricePerWarrant
Namespace Prefix:	pic_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

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

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: