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Related Party Transactions (Details)	12 Months Ended
	Dec. 31, 2021
Related Party Transactions [Abstract]
Percentage of employees cost	10.00%

X

- Definition

Employees cost plus percentage.

+ References

No definition available.

+ Details

Name:	bjdx_EmployeesCostPlusPercentage
Namespace Prefix:	bjdx_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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