XML 38 R28.htm IDEA: XBRL DOCUMENT v3.23.3

Note 5 - Warrants to Purchase Common Stock (Details Textual)	Sep. 30, 2023 USD ($) shares
Class of Warrant or Right, Number of Securities Called by Warrants or Rights, Vested	101,945
Class of Warrant or Right, Number of Securities Called by Warrants or Rights, Unvested	7,639
Warrant, Nonvested, Cost Not yet Recognized, Amount | $	$ 116,896

X

- Definition

Number of securities into which the class of warrant or right may be converted that are unvested.

+ References

No definition available.

+ Details

Name:	blbx_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsUnvested
Namespace Prefix:	blbx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of securities into which the class of warrant or right may be converted that are vested.

+ References

No definition available.

+ Details

Name:	blbx_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRightsVested
Namespace Prefix:	blbx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of cost to be recognized for warrant.

+ References

No definition available.

+ Details

Name:	blbx_WarrantNonvestedCostNotYetRecognizedAmount
Namespace Prefix:	blbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant