Note 9 - Stock Based Compensation - Stock Option Activity (Details) - $ / shares shares in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Outstanding at June 30, 2014 (in shares)	74
Outstanding at June 30, 2014 (in dollars per share)	$ 2.89
Outstanding at June 30, 2014	8 years 32 days	4 years 113 days
Granted (in shares)	200
Granted (in dollars per share)	$ 1.25
Exercised (in shares)
Exercised (in dollars per share)
Forfeited or expired (in shares)	(16)
Forfeited or expired (in dollars per share)	$ 3.71
Outstanding at June 30, 2015 (in shares)	258	74
Outstanding at June 30, 2015 (in dollars per share)	$ 1.57	$ 2.89
Exercisable at June 30, 2015 (in shares)	253
Exercisable at June 30, 2015 (in dollars per share)	$ 1.56
Exercisable at June 30, 2015	8 years 43 days