TRADE ACCOUNTS RECEIVABLE (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Trade Accounts Receivable Details
Trade accounts receivable	$ 3,117	$ 2,125
Less: allowance for doubtful accounts	(192)	(133)
Trade accounts receivable, net	$ 2,925	$ 1,992

No definition available.

Name:	BVX_TradeAccountsReceivableAbstract
Namespace Prefix:	BVX_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The face amount of loans that will be sold to other entities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansReceivableHeldForSaleAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The face amount of all receivables that will be sold to other entities, including trade and loan receivables.

+ References

+ Details

Name:	us-gaap_ReceivablesHeldForSaleAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The face amount of accounts receivable that will be sold to other entities.

+ References

+ Details

Name:	us-gaap_TradeReceivablesHeldForSaleAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant