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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 440 $ 48
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 50,000,000 50,000,000
Preferred stock, shares issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 500,000,000 500,000,000
Common stock, shares outstanding (in shares) 80,275,965 81,667,129