Note 10 - Comprehensive Loss (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax		$ (7,000)	$ (1,000)	$ (1,000)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (487,000)	$ (2,176,000)	$ (1,055,000)	$ (4,948,000)