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OTHER COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Approximate future minimum payments under employment agreements  
2015 $ 109us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 111us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
Property and rental agreements [Member]  
Approximate future minimum payments under employment agreements  
2015 1,625us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
/ us-gaap_ContingentConsiderationByTypeAxis
= BVX_PropertyRentalAgreementsMember
2016 399us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
/ us-gaap_ContingentConsiderationByTypeAxis
= BVX_PropertyRentalAgreementsMember
Total $ 2,024us-gaap_ContractualObligation
/ us-gaap_ContingentConsiderationByTypeAxis
= BVX_PropertyRentalAgreementsMember