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CONVERTIBLE PREFERRED STOCK AND WARRANTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Proceeds allocated	$ 7,000,000us-gaap_ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants
Expenses allocated	1,060,520us-gaap_ConvertiblePreferredDividendsNetOfTax
Series A Preferred Stock [Member]
Proceeds allocated	2,616,250us-gaap_ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember
Expenses allocated	396,369us-gaap_ConvertiblePreferredDividendsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_SeriesAPreferredStockMember
Investor Warrants [Member]
Proceeds allocated	4,383,750us-gaap_ProceedsFromIssuanceOfPreferredStockPreferenceStockAndWarrants / us-gaap_StatementEquityComponentsAxis = BVX_InvestorWarrantsMember
Expenses allocated	$ 664,151us-gaap_ConvertiblePreferredDividendsNetOfTax / us-gaap_StatementEquityComponentsAxis = BVX_InvestorWarrantsMember

X

- Definition

The after-tax amount of any dividends on convertible preferred stock.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256

+ Details

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X

- Definition

Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholder, which takes precedence over common stockholders in the event of liquidation and from issuance of rights to purchase common shares at a predetermined price.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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