Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 32	$ 125
Preferred stock, shares authorized (in shares)	3,050,000	3,050,000
Preferred stock, shares outstanding (in shares)	0	0
Common stock, shares authorized (in shares)	75,000,000	75,000,000
Common stock, shares outstanding (in shares)	27,442,693	27,423,550