Unexercised warrants.

No definition available.

Name:	bjdx_UnexercisedWarrants
Namespace Prefix:	bjdx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

Warrants (Details) - $ / shares		1 Months Ended	6 Months Ended
Warrants (Details) - $ / shares	Aug. 07, 2026	Apr. 30, 2025	Jun. 30, 2026	Jun. 02, 2026	Oct. 31, 2025	Oct. 09, 2025
Series F Warrants [Member]
Warrants [Line Items]
Warrants exercisable term					5 years
Placement Agent Class F Warrant [Member]
Warrants [Line Items]
Warrants exercisable term					1 year 6 months
Class E Warrants [Member]
Warrants [Line Items]
Exercise price (in Dollars per share)		$ 13.68
Warrants exercisable term		5 years
Series G Warrants [Member]
Warrants [Line Items]
Exercise price (in Dollars per share)			$ 2.075
Series H Warrants [Member]
Warrants [Line Items]
Exercise price (in Dollars per share)			$ 2.075
June 2026 Series G Warrants [Member]
Warrants [Line Items]
Number of warrants issued			255,914
Exercise price (in Dollars per share)			$ 2.906
Pre-Funded Warrants [Member]
Warrants [Line Items]
Unexercised warrants			222,581
Pre-Funded Warrants [Member] \| Subsequent Event [Member]
Warrants [Line Items]
Number of warrants issued	3,433,336
June 2026 Private Placement [Member] \| Subsequent Event [Member]
Warrants [Line Items]
Unexercised warrants	222,581
Common Stock [Member] \| Series F Warrants [Member]
Warrants [Line Items]
Exercise price (in Dollars per share)					$ 7
Private Placement [Member] \| Class C Warrants [Member]
Warrants [Line Items]
Number of warrants issued		271,277
Exercise price (in Dollars per share)		$ 0.5
Private Placement [Member] \| Series E Warrants [Member]
Warrants [Line Items]
Shares issued of common stock		271,277
Private Placement [Member] \| Series G Warrants [Member]
Warrants [Line Items]
Number of warrants issued			3,655,917
Private Placement [Member] \| June 2026 Pre-Funded Warrants [Member]
Warrants [Line Items]
Number of warrants issued				3,655,917
Exercise price (in Dollars per share)			$ 0.0001
Private Placement [Member] \| Series H Warrants [Member]
Warrants [Line Items]
Number of warrants issued			3,655,917
Common Stock [Member] \| Two Thousand Twenty-Five Prefunded Warrants [Member]
Warrants [Line Items]
Number of warrants issued						518,750
Exercise price (in Dollars per share)					$ 0.0004
Common Stock [Member] \| Series F Warrants [Member]
Warrants [Line Items]
Number of warrants issued					1,125,000
Common Stock [Member] \| Placement Agent Class F Warrant [Member]
Warrants [Line Items]
Number of warrants issued					45,000
Exercise price (in Dollars per share)					$ 10
Common Stock [Member] \| Private Placement [Member] \| October Two Thousand Twenty Five Private Placement Member
Warrants [Line Items]
Number of warrants issued						43,750