Name:	btim_AdditionalRentPayment
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Period Type:	duration

No definition available.

Name:	btim_RightOfUseAssetAndOperatingLeaseLiabilityRecognizedFromAdoptionOfAsc842
Namespace Prefix:	btim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

No definition available.

Name:	btim_RightOfUseAssetOperatingLease
Namespace Prefix:	btim_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.

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

No definition available.

Name:	us-gaap_LeasesAbstract
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Data Type:	xbrli:stringItemType
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Period Type:	duration

Discount rate used by lessee to determine present value of operating lease payments.

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Amount of operating lease expense. Excludes sublease income.

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Name:	us-gaap_OperatingLeaseExpense
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Present value of lessee's discounted obligation for lease payments from operating lease.

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Name:	us-gaap_OperatingLeaseLiability
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Cash payments to lessor's for use of assets under operating leases.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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BOATIM INC. 10-Q