v3.25.4

Commitments and Contingencies (Details) - Toray License Agreement [Member] | 12 Months Ended
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Dec. 31, 2025
Commitments and Contingencies [Line Items] |
Royalty payments, percentage of net sales | 7.50%
Royalty payments, tenure of committed payments | 10 years
Percentage of reduction in royalty rate | 50.00%

X
- Definition Percentage of reduction in royalty rate upon expiry of patents. + References No definition available. + Details
Name: | bjdx_PercentageOfReductionInRoyaltyRateUponExpiryOfPatents
Namespace Prefix: | bjdx_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Royalty payments, percentage of net sales. + References No definition available. + Details
Name: | bjdx_RoyaltyPaymentsPercentageOfNetSales
Namespace Prefix: | bjdx_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Royalty payments, tenure of committed payments. + References No definition available. + Details
Name: | bjdx_RoyaltyPaymentsTenureOfCommittedPayments
Namespace Prefix: | bjdx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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