Name:	obci_LeaseWithImputedInterestDiscount
Namespace Prefix:	obci_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Present value of lessee's discounted obligation for lease payments from operating lease.

No definition available.

Name:	obci_OperatingLeaseLiabilities
Namespace Prefix:	obci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

No definition available.

Name:	obci_OperatingLeasesFutureMinimumPaymentDue
Namespace Prefix:	obci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	obci_OperatingLeasesFutureMinimumPaymentDueCurrent
Namespace Prefix:	obci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	obci_OperatingLeasesFutureMinimumPaymentDueInTwoYears
Namespace Prefix:	obci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.