Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect Period of Adoption Adjustment	Common Stock	Common Stock Rights Offering	Additional Paid-In Capital	Additional Paid-In Capital Rights Offering	Retained Earnings (Deficit)	Retained Earnings (Deficit) Cumulative Effect Period of Adoption Adjustment	Treasury Stock
Balance at Jun. 30, 2019	$ 171,309	$ (601)	$ 465		$ 241,456		$ (63,800)	$ (601)	$ (6,812)
Balance (in shares) at Jun. 30, 2019			46,683,000
Net earnings /(loss)	(166,328)						(166,328)
Shares issued in connection with exercises of employee stock options			$ (10)		10
Shares issued in connection with exercises of employee stock options (in shares)			658,000
Share-based compensation expense	2,555				2,555
Balance at Jun. 30, 2020	6,935		$ 455		244,021		(230,729)		(6,812)
Balance (in shares) at Jun. 30, 2020			47,341,000
Net earnings /(loss)	2,982						2,982
Shares issued in connection with a rights offering	59,959			$ 382		$ 59,577
Shares issued in connection with a rights offering (shares)				38,182,000
Shares issued or canceled in connection with employee stock incentive plans and related tax effect	74		$ 25		49
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)			682,000
Share-based compensation expense	1,851				1,851
Balance at Jun. 30, 2021	$ 71,801		$ 862		305,498		(227,747)		(6,812)
Balance (in shares) at Jun. 30, 2021	86,204,572		86,205,000
Net earnings /(loss)	$ (59,003)						(59,003)
Shares issued or canceled in connection with employee stock incentive plans and related tax effect	308		$ (3)		311
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)			(325,000)
Share-based compensation expense	5,881				5,881
Balance at Jul. 02, 2022	$ 18,987		$ 859		$ 311,690		$ (286,750)		$ (6,812)
Balance (in shares) at Jul. 02, 2022	85,880,108		85,880,000