Note 13 - Research and Development Credit (Details) (USD $)	12 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Research and Development [Abstract]
Research and Development Credit	$ 0	$ 4,400,000

Is a general business tax credit for companies that are incurring R&D expenses. May refer to a credit administered by a foreign government.

No definition available.

Name:	bota_ResearchAndDevelopmentCredit
Namespace Prefix:	bota_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration