Represents the number of the Company's shares per unit.

No definition available.

Name:	bnet_NumberOfSharesPerUnit
Namespace Prefix:	bnet_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of warrants per unit.

+ References

No definition available.

+ Details

Name:	bnet_NumberOfWarrantsPerUnit
Namespace Prefix:	bnet_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of units issued pursuant to a subscription agreement.

+ References

No definition available.

+ Details

Name:	bnet_SaleOfUnitsNumberOfUnitsIssued
Namespace Prefix:	bnet_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the equity impact of units issued during the period.

+ References

No definition available.

+ Details

Name:	bnet_SaleOfUnitsValue
Namespace Prefix:	bnet_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_DebtInstrumentDecreaseForgiveness
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=bnet_PaycheckProtectionProgramCARESsActMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=bnet_EmployeesAndConsultantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=bnet_SaleOfUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 11 - Subsequent Events (Details Textual) - USD ($)		1 Months Ended	6 Months Ended
Note 11 - Subsequent Events (Details Textual) - USD ($)	Feb. 05, 2021	Feb. 05, 2021	Dec. 31, 2020	Dec. 31, 2019
Sale of Units, Value			$ 360,000	$ 977,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)
Subsequent Event [Member] \| Paycheck Protection Program CARES Act [Member]
Debt Instrument, Decrease, Forgiveness	$ 34,800
Subsequent Event [Member] \| Employees and Consultants [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)		85,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)		$ 0.60
Subsequent Event [Member] \| Sale of Units [Member]
Sale of Units, Number Of Units Issued (in shares)		200,000
Shares Issued, Price Per Share (in dollars per share)	$ 0.50	$ 0.50
Sale of Units, Value		$ 100,000
Number of Shares Per Unit (in shares)	1	1
Number of Warrants Per Unit (in shares)	1	1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 0.75	$ 0.75