XML 75 R50.htm IDEA: XBRL DOCUMENT v3.23.2

Investment in a joint venture (Details) - 1 months ended Jun. 24, 2022	USD ($)	HKD ($)
Investment in a joint venture [Abstract]
Partnership agreement	$ 256,420	$ 2,000,000
Partnership interest	20.00%

X

- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

+ References

No definition available.

+ Details

Name:	top_SubsidiaryOfLimitedLiabilitiesCompanyOrLimitedPartnershipOwnershipInterest
Namespace Prefix:	top_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Costs incurred in connection with the offering and selling of additional partner interest.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 5.D.Q1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479886/946-10-S99-4

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 340
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.A)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480341/340-10-S99-1

+ Details

Name:	us-gaap_OfferingCostsPartnershipInterests
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant