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GEOGRAPHIC AND SEGMENT INFORMATION (Details Narrative)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Geographic And Segment Information Details Narrative
Percentage of International sales of sales	15.70%BVX_PercentageOfInternationalSalesOfSales	17.70%BVX_PercentageOfInternationalSalesOfSales	21.00%BVX_PercentageOfInternationalSalesOfSales

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