Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2018	Jun. 30, 2017
Allowance for uncollectible accounts receivable (in dollars)	$ 2,587	$ 3,149
Allowance for Notes, Loans and Financing Receivable, Current	$ 42	$ 19
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	53,666,718	40,331,645
Common stock, shares outstanding	53,666,718	40,331,645
Series A Convertible
Preferred stock, shares authorized	900,000	900,000
Preferred stock, shares issued	445,063	445,063
Preferred stock, liquidation preference value (in dollars)	$ 19,443	$ 18,775