Note 3 - Merger (Details) - Net Assets Acquired (USD $) In Millions, unless otherwise specified	6 Months Ended		0 Months Ended
	Dec. 31, 2012	Nov. 08, 2012 Biota Accrual for Severance Obligations and Employee Benefits [Member]	Nov. 08, 2012 Biota
Note 3 - Merger (Details) - Net Assets Acquired [Line Items]
Cash	$ 32.7		$ 32.7
Accounts payable		(5.2)	(0.7)
Net cash received			26.8
Excess of net assets acquired over total fair value purchase consideration/gain recorded on merger			$ 7.6