XML 56 R45.htm IDEA: XBRL DOCUMENT v3.25.1

Investment in Equity Securities (Details) - USD ($)		3 Months Ended		12 Months Ended
	Aug. 31, 2021	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Investment in Equity Securities [Line Items]
Unit of node capital (in Shares)	165.27
Percentage of node capital	1.11%
Aggregate amount	$ 250,000
Fund and received proceeds				$ 0
Realized gain (loss)			$ 225,229
Node Capital Token Opportunity Fund LP [Member]
Investment in Equity Securities [Line Items]
Realized gain (loss)			$ 274,731

X

- Definition

Fund and received proceeds

+ References

No definition available.

+ Details

Name:	olb_FundAndReceivedProceeds
Namespace Prefix:	olb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Value of capital units or capital shares. This element is relevant to issuers of face-amount certificates and registered investment companies.

+ References

No definition available.

+ Details

Name:	us-gaap_CapitalUnits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Number of authorized capital units or capital shares. This element is relevant to issuers of face-amount certificates and registered investment companies.

+ References

No definition available.

+ Details

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

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

X

- Definition

Percentage of public utility's approved equity to capital, including debt and equity.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of realized gain (loss) on investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

+ Details

Name:	us-gaap_RealizedInvestmentGainsLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=olb_NodeCapitalTokenOpportunityFundLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: