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SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Significant Accounting Policies Details Narrative      
Percent of receivables from ten largest customers 48.00%BVX_PercentOfReceivablesFromTenLargestCustomers 58.00%BVX_PercentOfReceivablesFromTenLargestCustomers 72.00%BVX_PercentOfReceivablesFromTenLargestCustomers
Percent of net revenues from ten largest customers 61.00%BVX_PercentOfNetRevenues 60.90%BVX_PercentOfNetRevenues 66.30%BVX_PercentOfNetRevenues
Sales volume discounts $ 579,885us-gaap_SalesDiscountsGoods $ 523,000us-gaap_SalesDiscountsGoods $ 565,000us-gaap_SalesDiscountsGoods
Allowances for doubtful accounts 133,000us-gaap_AllowanceForDoubtfulAccountsReceivable 39,000us-gaap_AllowanceForDoubtfulAccountsReceivable  
Charges for excess and obsolete inventory 2,000,000BVX_ChargesForExcessAndObsoleteInventory    
Decreased amount of reserves for raw materials inventory and related costs of sales   67,000BVX_DecreasedAmountOfReservesForRawMaterialsInventoryAndRelatedCostsOfSales  
Intangible assets not impaired 1,510,000BVX_IntangibleAssetsNotImpaired    
Shipping and handling costs 103,000us-gaap_ShippingHandlingAndTransportationCosts 104,000us-gaap_ShippingHandlingAndTransportationCosts 128,000us-gaap_ShippingHandlingAndTransportationCosts
Advertising Costs 540,000us-gaap_AdvertisingRevenueCost 305,000us-gaap_AdvertisingRevenueCost 277,000us-gaap_AdvertisingRevenueCost
Research and development costs $ 1,416,000us-gaap_ResearchAndDevelopmentExpense $ 1,260,000us-gaap_ResearchAndDevelopmentExpense $ 1,329,000us-gaap_ResearchAndDevelopmentExpense