Note 5 - Computation of Historical Basic and Diluted Net Loss Per Share (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Net income (loss)	$ (6.5)	$ 6.5	$ (13.2)	$ (0.4)
Weighted-average shares outstanding (in shares)	38,636,946	35,100,961	38,630,587	35,100,961
Dilutive effect of restricted stock and stock options (in shares)		2,125
Shares used to compute diluted earnings per share (in shares)	38,636,946	35,103,086	38,630,587	35,100,961
Basic net (loss) income per share (in dollars per share)	$ (0.17)	$ 0.19	$ (0.34)	$ (0.01)
Diluted net (loss) income per share (in dollars per share)	$ (0.17)	$ 0.19	$ (0.34)	$ (0.01)
Number of anti-dilutive share-based awards excluded from computation (in shares)	4,631,556	3,178,424	4,619,210	3,293,424