Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Accounts Receivable, Allowance for Doubtful Accounts	$ 49	$ 46
Inventories, reserves	$ 1,437	$ 874
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)	350,000,000	350,000,000
Common stock, shares issued (in shares)	3,010,687	2,027,386
Common stock, shares outstanding (in shares)	3,010,687	2,027,386