Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained (Deficit) Earnings	Treasury Stock
Balance at Jun. 30, 2014	$ 203,310	$ 454	$ 220,352	$ (10,978)	$ (6,518)
Balance (in shares) at Jun. 30, 2014		43,663,000
Net income (loss)	10,385			10,385
Shares issued or canceled in connection with employee stock incentive plans and related tax effect	3	$ 3
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)		252,000
Shares issued in connection with exercises of employee stock options	1,100	$ 1	1,099
Shares issued in connection with exercises of employee stock options (in shares)		161,000
Purchase of treasury stock	(143)				(143)
Purchase of treasury stock (in shares)		(7,000)
Share-based compensation expense	5,634		5,634
Balance at Jun. 30, 2015	220,289	$ 458	227,085	(593)	(6,661)
Balance (in shares) at Jun. 30, 2015		44,069,000
Net income (loss)	3,713			3,713
Shares issued or canceled in connection with employee stock incentive plans and related tax effect	5	$ 5
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)		505,000
Shares issued in connection with exercises of employee stock options (in shares)		5,000
Purchase of treasury stock	(128)				(128)
Purchase of treasury stock (in shares)		(18,000)
Share-based compensation expense	3,403		3,403
Balance at Jun. 30, 2016	$ 227,282	$ 463	230,488	3,120	(6,789)
Balance (in shares) at Jun. 30, 2016	44,560,896	44,561,000
Net income (loss)	$ (32,542)			(32,542)
Shares issued or canceled in connection with employee stock incentive plans and related tax effect	6	$ 6
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)		558,000
Shares issued in connection with exercises of employee stock options	2		2
Shares issued in connection with exercises of employee stock options (in shares)		6,000
Purchase of treasury stock	(23)				(23)
Purchase of treasury stock (in shares)		(4,000)
Share-based compensation expense	4,114		4,114
Balance at Jun. 30, 2017	$ 198,839	$ 469	$ 234,604	$ (29,422)	$ (6,812)
Balance (in shares) at Jun. 30, 2017	45,120,634	45,121,000