CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 117	$ 102
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	40,000,000	20,000,000
Common stock, shares issued (in shares)	16,430,628	16,377,636
Common stock, shares outstanding (in shares)	16,135,013	16,082,021
Treasury stock, shares repurchased (in shares)	295,615	295,615