CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total
Balance, beginning at Jun. 30, 2020	$ 40	$ 321,164	$ (1,291)	$ (627)	$ (16,390)	$ 302,896
Balance, beginning (in shares) at Jun. 30, 2020	39,963
Increase (Decrease) in Shareholders' Equity
Shares issued in connection with share-based compensation plans	$ 1	282				283
Shares issued in connection with share-based compensation plans (in shares)	724
Share-based compensation		3,342				3,342
Purchase of treasury stock					(786)	(786)
Other comprehensive income (Loss)				79		79
Net loss			(6,499)			(6,499)
Balance, ending at Sep. 30, 2020	$ 41	324,788	(7,790)	(548)	(17,176)	299,315
Balance, ending (in shares) at Sep. 30, 2020	40,687
Increase (Decrease) in Shareholders' Equity
Accumulated deficit						(364,766)
Balance, beginning at Jun. 30, 2021	$ 41	355,239	(364,766)	(548)	(17,437)	(27,471)
Balance, beginning (in shares) at Jun. 30, 2021	40,913
Increase (Decrease) in Shareholders' Equity
Shares issued in connection with share-based compensation plans	$ 1	104				105
Shares issued in connection with share-based compensation plans (in shares)	874
Share-based compensation		3,018				3,018
Purchase of treasury stock					(687)	(687)
Other comprehensive income (Loss)				24		24
Net loss			(22,342)			(22,342)
Balance, ending at Sep. 30, 2021	$ 42	$ 358,361	$ (387,108)	$ (524)	$ (18,124)	(47,353)
Balance, ending (in shares) at Sep. 30, 2021	41,787
Increase (Decrease) in Shareholders' Equity
Accumulated deficit						$ (387,108)