Note 9 - Gain On Extinguishment of Liabilities (Details Textual)	12 Months Ended
Jun. 30, 2018 USD ($)
Gain (Loss) on Extinguishment of Accounts Payable Liabilities	$ 157,272

The amount of gain (loss) recognized on the extinguishment of certain accounts payable liabilities.

No definition available.

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