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SECURITY DEPOSITS AND OTHER ASSETS (Details) | Jan. 24, 2020 USD ($) | Jun. 14, 2018 USD ($) | Feb. 09, 2017 USD ($)
--- | --- | --- | ---
Security Deposits and Other Assets [Abstract] |  |  |
Security deposit | $ 84,915 |  |
Security deposit liability |  | $ 63,220 |
Master Services Agreement [Member] |  |  |
Security Deposits and Other Assets [Abstract] |  |  |
Amount paid to service provider |  |  | $ 300,401
Percentage of direct costs incurred by service provider |  |  | 0.1

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- Definition The amount paid to service provider by the retainer. + References No definition available. + Details
Name: | btx_PaymentForServiceProvider
Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The percentage of direct costs incurred by the service provider. + References No definition available. + Details
Name: | btx_PercentageOfDirectCostsIncurredByServiceProvider
Namespace Prefix: | btx_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | btx_SecurityDepositsAndOtherAssetsDisclosureAbstract
Namespace Prefix: | btx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + 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 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_SecurityDeposit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_SecurityDepositLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_TypeOfArrangementAxis=btx_MasterServicesAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |