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COMMITMENTS AND CONTINGENCIES, Licensing Agreements (Details) - USD ($) $ in Millions |  |  |  | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 30, 2021 | Apr. 15, 2021 | Apr. 13, 2021 | Jun. 30, 2022 | Oct. 31, 2022 | Oct. 31, 2021 | Apr. 26, 2021
Novellus, Ltd. [Member] | Maximum [Member] |  |  |  |  |  |  |
Licensing Agreements [Abstract] |  |  |  |  |  |  |
Milestone payments |  |  |  | $ 51.0 |  |  |
Licensors [Member] |  |  |  |  |  |  |
Licensing Agreements [Abstract] |  |  |  |  |  |  |
Non-refundable option fee |  |  | $ 0.5 |  |  |  |
Initial license fees | $ 4.0 |  |  |  |  |  |
Amount require to pay of initial license fees |  | $ 1.0 |  |  |  |  |
Amount obligated to pay in license agreement |  |  |  |  |  |  | $ 4.0
Additional fees obligated to pay in 2021 |  |  |  |  |  | $ 2.5 |
Licensors [Member] | Forecast [Member] |  |  |  |  |  |  |
Licensing Agreements [Abstract] |  |  |  |  |  |  |
Additional fees obligated to pay in 2022 |  |  |  |  | $ 3.5 |  |
NoveCite [Member] |  |  |  |  |  |  |
Licensing Agreements [Abstract] |  |  |  |  |  |  |
Percentage of revenue |  |  |  | 50.00% |  |  |
University of South Florida [Member] |  |  |  |  |  |  |
Licensing Agreements [Abstract] |  |  |  |  |  |  |
Percentage of royalty payable |  |  |  | 7.00% |  |  |

X
- Definition The entity is obligated to pay additional fees to Licensors. + References No definition available. + Details
Name: | btx_AdditionalFeesObligatedToPay
Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The entity is obligated to pay additional fees to the Licensors in first year. + References No definition available. + Details
Name: | btx_AmountObligatedToPayInYearOne
Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The entity is obligated to pay additional fees to the Licensors in second year. + References No definition available. + Details
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Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Amount require to pay out of the total initial license fees. + References No definition available. + Details
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Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Initial license fees required to pay including non-refundable fee. + References No definition available. + Details
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Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- Definition The amount of Non-refundable option fee in licensing agreement. + References No definition available. + Details
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Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Percentage of royalty payable from one party to another in licensing agreement. + References No definition available. + Details
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Namespace Prefix: | btx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of milestones upfront payment on licenses. + References No definition available. + Details
Name: | btx_MilestonePayments
Namespace Prefix: | btx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Percentage of revenue from receives any revenue involving the original cell line included in the licensed technology, then Novellus, Ltd shall remit to NoveCite. + References No definition available. + Details
Name: | btx_PercentageOfRevenue
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Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- 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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- Details
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