Name:	bnet_DeferredCompensationConsecutiveTradingDays
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Number of specified trading days during the end of a month for which the share price of common stock during that period will be applied to deferred compensation if converted.

No definition available.

Name:	bnet_DeferredCompensationConversionDays
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Data Type:	xbrli:durationItemType
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Represents the amount of deferred compensation liability convertible to shares of the entity's common stock as of the balance sheet date.

No definition available.

Name:	bnet_DeferredCompensationConvertibleToCommonStock
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Represents the price per share at which the deferred compensation liability is convertible to shares of the entity's common stock as of the balance sheet date.

No definition available.

Name:	bnet_DeferredCompensationConvertibleToCommonStockPricePerShare
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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Number of shares issued upon the conversion of deferred compensation.

No definition available.

Name:	bnet_DeferredCompensationSharesIssuedUponConversion
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Data Type:	xbrli:sharesItemType
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This item represents the interest rate that is accrued on deferred compensation.

No definition available.

Name:	bnet_InterestRateOnDeferredCompensation
Namespace Prefix:	bnet_
Data Type:	num:percentItemType
Balance Type:	na
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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 30
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20028-108363

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 25
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361

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