Note 6 - Net Loss Per Share - Computation of Historical Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Net loss	$ (10.0)	$ (6.6)
Weighted-average shares outstanding (in shares)	38,640,487	38,624,227
Shares used to compute diluted earnings per share (in shares)	38,640,487	38,624,227
Basic net income (loss) per share (in dollars per share)	$ (0.26)	$ (0.17)
Diluted net income (loss) income per share (in dollars per share)	$ (0.26)	$ (0.17)
Number of anti-dilutive share-based awards excluded from computation (in shares)	5,806,900	4,394,607