Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income
Beginning Balance (in shares) at Jun. 28, 2019		5,359,695
Balance at Jun. 28, 2019	$ 71,516	$ 54	$ 815,196	$ (730,998)	$ (12,736)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	54			54
Other comprehensive income, net of tax	(513)				(513)
Issuance of common stock under employee stock plans (in shares)		192,812
Issuance of common stock under employee stock plans	4	$ 2	2
Shares withheld for taxes related to vesting of equity awards (in shares)		(52,384)
Shares withheld for taxes related to vesting of equity awards	(746)	$ (1)	(745)
Stock repurchase (in shares)		(55,452)
Stock repurchase	(748)	$ (1)	(747)
Share-based compensation	407		407
Ending Balance (in shares) at Sep. 27, 2019		5,444,671
Balance at Sep. 27, 2019	$ 69,974	$ 54	814,113	(730,944)	(13,249)
Beginning Balance (in shares) at Jul. 03, 2020	5,400,487	5,400,487
Balance at Jul. 03, 2020	$ 68,681	$ 54	814,337	(730,741)	(14,969)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,936			5,936
Other comprehensive income, net of tax	414				414
Issuance of common stock under employee stock plans (in shares)		48,491
Issuance of common stock under employee stock plans	423		423
Shares withheld for taxes related to vesting of equity awards (in shares)		(5,616)
Shares withheld for taxes related to vesting of equity awards	(128)		(128)
Share-based compensation	$ 571		571
Ending Balance (in shares) at Oct. 02, 2020	5,443,362	5,443,362
Balance at Oct. 02, 2020	$ 75,897	$ 54	$ 815,203	$ (724,805)	$ (14,555)