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v3.22.1

Leases, Sublease Agreement (Details) |  | 12 Months Ended
--- | --- | ---
Apr. 18, 2019 Squarefeet | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Leases [Abstract] |  |  |
Currently rented area | Squarefeet | 999 |  |
Percentage of annual rent increase | 2.25% |  |
Future Lease Payments, Sublease Agreement [Abstract] |  |  |
2022 |  | $ 82,000 |
2023 |  | 84,000 |
2024 |  | 86,000 |
2025 |  | 88,000 |
2026 |  | 75,000 |
Total |  | 415,000 |
Sublease payments received |  | $ 83,000 | $ 79,000

X
- Definition The subleases rentable area for properties currently rented. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Percentage of increase in annual lease payment for subleases for each year. + References No definition available. + Details
Name: | btx_PercentageOfLesseeSubleaseIncreaseInAnnualLeaseRentPayments
Namespace Prefix: | btx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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- Definition Amount of minimum sublease rentals to be received by the seller-lessee for sale-leaseback transactions accounted for using the deposit method or as a financing. + References No definition available. + Details
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Namespace Prefix: | btx_
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Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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X
- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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X
- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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Namespace Prefix: | btx_
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Balance Type: | debit
Period Type: | instant

X
- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | btx_SaleLeasebackTransactionsFutureMinimumSubleaseRentalsWithinFourYears
Namespace Prefix: | btx_
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Balance Type: | debit
Period Type: | instant

X
- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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Namespace Prefix: | btx_
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X
- Definition Amount of minimum sublease rentals for sale-leaseback transactions accounted for using the deposit method or as a financing to be received by the seller-lessee in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + 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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- References No definition available. + Details
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- Definition Amount of cash inflow from lease payment, classified as operating activity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123420820&loc=SL77919320-209978 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=123420820&loc=SL77919327-209978 + Details
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