CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Accumulated depreciation
Accumulated depreciation (in dollars)	$ 2,109	$ 2,075
Preferred stock
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	1,951	0
Preferred stock, shares outstanding	1,791	0
Common stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	87,000,000	87,000,000
Common stock, shares issued	27,405,283	27,405,283
Common stock, shares outstanding	21,046,591	21,046,591