FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Beginning balance	$ 12,613
Issuances
Exchange of warrants	(10,546)BVX_ExchangeOfWarrants
Change in fair value	(1,444)
Ending Balance	622
2013 Investor Warrants [Member]
Beginning balance	10,546
Issuances
Exchange of warrants	(10,546)
Change in fair value
Ending Balance
2013 Placement Agent Warrants [Member]
Beginning balance	998
Issuances
Exchange of warrants
Change in fair value	(597)
Ending Balance	401
2010 Investor Warrants [Member]
Beginning balance	1,065
Issuances
Exchange of warrants
Change in fair value	(845)
Ending Balance	220
2010 Placement Agent Warrants [Member]
Beginning balance	4
Issuances
Exchange of warrants
Change in fair value	(2)
Ending Balance	$ 2

No authoritative reference available.

No definition available.

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- Definition

Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

+ Details

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- Definition

Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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