Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Statement Condensed Consolidated Balance Sheets [Abstract]
Accounts receivable, allowances	$ 1,091	$ 923
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	27,888,217	27,888,217
Common stock, shares outstanding	27,131,446	26,807,203
Treasury stock, shares	756,771	1,081,014