Note 7 - Merger (Detail) - Net Assets Acquired (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2012
Cash	$ 32,687
Net cash received	27,000
Biota
Cash	32,687
Accrual for severance obligations and employee benefits	(4,977)
Accounts payable	(694)
Other liabilities	(16)
Net cash received	27,000
Excess of net assets acquired over total fair value purchase consideration/gain recorded on merger	$ 7,805