Stock Options (Details) - Schedule of weighted-average grant-date fair value of options (Parentheticals)	12 Months Ended
Dec. 31, 2022 $ / shares
Schedule Of Weighted Average Grant Date Fair Value Of Options Abstract
Granted last year	$ 5.9

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

No definition available.

Name:	olbg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue1
Namespace Prefix:	olbg_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration