Note 7 - Licences, Royalty Collaborative and Contractual Arrangements (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		9 Months Ended					6 Months Ended	24 Months Ended
	Mar. 31, 2011	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Major Countries GSK	Mar. 31, 2013 Australia, New Zealand, South Africa and Indonesia GSK	Mar. 31, 2013 Daiichi Sankyo	Dec. 31, 2011 BARDA	Mar. 31, 2013 BARDA
Royalty Payment Percentage						7.00%	10.00%	4.00%
Contracts Revenue (in Dollars)	$ 231.2	$ 0.2	$ 0.1	$ 1.0	$ 0.4					$ 22.5
Contract Term									5 years