Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Accounts Receivable, Allowance for Doubtful Accounts	$ 40	$ 46
Accumulated Depreciation	$ 5,316	$ 4,935
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	2,000,000	2,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common Stock, Par Value (in dollars per share)	$ 0.001	$ 0.001
Common Stock, Authorized (in shares)	350,000,000	350,000,000
Common Stock, Issued (in shares)	42,807,468	40,501,730
Common Stock, Outstanding (in shares)	42,807,468	40,501,730