Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Allowance for uncollectible accounts receivable (in dollars)	$ 1,512	$ 1,309
Preferred stock, no par value (in dollars per share)
Preferred stock, shares authorized	1,800,000	1,800,000
Common stock, no par value (in dollars per share)
Common stock, shares authorized	640,000,000	640,000,000
Common stock, shares issued	35,784,218	35,747,242
Common stock, shares outstanding	35,784,218	35,747,242
Series A Convertible Preferred Stock
Preferred stock, shares authorized	900,000	900,000
Preferred stock, shares issued	442,968	442,968
Preferred stock, shares outstanding	442,968	442,968
Preferred stock, liquidation preference value (in dollars)	$ 17,687	$ 17,355