Note 6 - Research and Development Credit (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2012
Research and Development Credit	$ 0	$ 0	$ 4,428	$ 0	$ 4,400