XML 58 R51.htm IDEA: XBRL DOCUMENT
v2.4.0.6

OTHER SUBSEQUENT EVENT (Details) (Subsequent Event [Member], USD $) | Mar. 14, 2013
--- | ---
Subsequent Event [Line Items] |
Employment Agreement, extension of term period | 1 year
Chief Executive Officer [Member] |
Subsequent Event [Line Items] |
Initial base salaries provided for by Amended and Restated Employment Agreements | 215,515
President and Chief Sales and Marketing Officer [Member] |
Subsequent Event [Line Items] |
Initial base salaries provided for by Amended and Restated Employment Agreements | 305,184
Senior Vice President [Member] |
Subsequent Event [Line Items] |
Initial base salaries provided for by Amended and Restated Employment Agreements | 204,777

X
- Definition Annual initial base salaries due to an amended, restated employment agreement. + References No definition available. + Details
Name: | bvx_AnnualInitialBaseSalariesAmendedRestatedEmploymentAgreement
Namespace Prefix: | bvx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Term period of the Amended and Restated Employment Agreement. + References No definition available. + Details
Name: | bvx_EmploymentAgreementExtensionOfTermPeriod
Namespace Prefix: | bvx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration