Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Allowance for uncollectible accounts receivable (in dollars)	$ 3,149	$ 2,814
Financing Receivable, Allowance for Credit Losses (in dollars)	$ 19	$ 0
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized	1,800,000	1,800,000
Preferred stock, shares issued	0	0
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	640,000,000	640,000,000
Common stock, shares issued	40,331,645	37,783,444
Common stock, shares outstanding	40,331,645	37,783,444
Series A Convertible Preferred Stock
Preferred stock, shares authorized	900,000	900,000
Preferred stock, shares issued	445,063	445,063
Preferred stock, shares outstanding	445,063	445,063
Preferred stock, liquidation preference value (in dollars)	$ 18,775	$ 18,108