Note 3 - Merger (Details) - Net Assets Acquired (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013
Note 3 - Merger (Details) - Net Assets Acquired [Line Items]
Excess of net assets acquired over total fair value purchase consideration/gain recorded on merger	$ 7.8
Biota [Member]
Note 3 - Merger (Details) - Net Assets Acquired [Line Items]
Cash	32.7
Accrual for severance obligations and employee benefits	(5.0)
Accounts payable	(0.7)
Net cash received	27.0
Excess of net assets acquired over total fair value purchase consideration/gain recorded on merger	$ 7.8