Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Accounts Receivable, Allowance for Doubtful Accounts	$ 57	$ 49
Inventories, Reserves	$ 1,372	$ 1,437
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	2,000,000	2,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	9,886,402	3,010,687
Common stock, shares outstanding (in shares)	9,886,402	3,010,687