Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2014	Jun. 30, 2014
Current assets:
Accounts receivable, allowance for doubtful accounts	$ 35	$ 47
Equipment, accumulated depreciation	$ 4,503	$ 4,099
Stockholders' equity:
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)	80,000,000	80,000,000
Common stock, shares issued (in shares)	40,337,862	40,200,529
Common stock, shares outstanding (in shares)	40,337,862	40,200,529