Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Common Stock Rights Offering	Additional Paid-In Capital	Additional Paid-In Capital Rights Offering	Retained Deficit	Treasury Stock
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 (loss) earnings	18,624					18,624
Share-based compensation	428			428
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)		(490,000)
Balance at Sep. 30, 2020	25,987	$ 450		244,454		(212,105)	(6,812)
Balance (in shares) at Sep. 30, 2020		46,851,000
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 (loss) earnings	21,844
Balance at Mar. 31, 2021	88,933	$ 832		303,798		(208,885)	(6,812)
Balance (in shares) at Mar. 31, 2021		86,195,000
Balance at Sep. 30, 2020	25,987	$ 450		244,454		(212,105)	(6,812)
Balance (in shares) at Sep. 30, 2020		46,851,000
Net (loss) earnings	40,339					40,339
Share-based compensation	315			315
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)		(5,000)
Balance at Dec. 31, 2020	66,641	$ 450		244,769		(171,766)	(6,812)
Balance (in shares) at Dec. 31, 2020		46,846,000
Net (loss) earnings	(37,119)					(37,119)
Share-based compensation	409			409
Shares issued in connection with rights offering	58,989		$ 382		$ 58,607
Shares issued in connection with rights offering (shares)			38,182,000
Shares issued or canceled in connection with employee stock incentive plans and related tax effect	13			13
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)		1,167,000
Balance at Mar. 31, 2021	88,933	$ 832		303,798		(208,885)	(6,812)
Balance (in shares) at Mar. 31, 2021		86,195,000
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 (loss) earnings	$ (14,603)					(14,603)
Share-based compensation	1,155			1,155
Shares issued or canceled in connection with employee stock incentive plans and related tax effect	451	$ (4)		455
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)		(434,000)
Balance at Sep. 30, 2021	58,804	$ 858		307,108		(242,350)	(6,812)
Balance (in shares) at Sep. 30, 2021		85,771,000
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 (loss) earnings	$ (30,860)
Balance at Apr. 02, 2022	$ 46,005	$ 858		310,566		(258,607)	(6,812)
Balance (in shares) at Apr. 02, 2022	85,732,726	85,767,000
Balance at Sep. 30, 2021	$ 58,804	$ 858		307,108		(242,350)	(6,812)
Balance (in shares) at Sep. 30, 2021		85,771,000
Net (loss) earnings	1,894					1,894
Share-based compensation	1,833			1,833
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)		(6,000)
Balance at Dec. 31, 2021	62,531	$ 858		308,941		(240,456)	(6,812)
Balance (in shares) at Dec. 31, 2021		85,765,000
Net (loss) earnings	(18,151)					(18,151)
Share-based compensation	1,678			1,678
Shares issued or canceled in connection with employee stock incentive plans and related tax effect	(53)			(53)
Shares issued or canceled in connection with employee stock incentive plans and related tax effect (in shares)		2,000
Balance at Apr. 02, 2022	$ 46,005	$ 858		$ 310,566		$ (258,607)	$ (6,812)
Balance (in shares) at Apr. 02, 2022	85,732,726	85,767,000