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Stock Options and Awards (Details 1)
Dec. 31, 2014
Dec. 31, 2013
Summary of options outstanding and granted under stock option plans    
Options Outstanding 140,000obci_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumberIncludingNonPlan 285,000obci_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumberIncludingNonPlan
2002 NQ [Member]    
Summary of options outstanding and granted under stock option plans    
Options Outstanding 80,000obci_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumberIncludingNonPlan
/ us-gaap_PlanNameAxis
= obci_TwoThousandTwoNqPlanThreeMember		  
2008 NQ [Member]    
Summary of options outstanding and granted under stock option plans    
Options Outstanding 60,000obci_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumberIncludingNonPlan
/ us-gaap_PlanNameAxis
= obci_TwoThousandEightNqPlanThreeMember