Consolidated Statement of Stockholders' Deficit Statement - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In-Capital	Convertible Preferred Stock	Accumulated Other Comprehensive Loss	Accumulated Deficit	Treasury Stock
Beginning Balance (in shares) at Sep. 29, 2018		27,259,262		93,000			0
Beginning Balance at Sep. 29, 2018	$ (28,336)	$ 3	$ 70,023	$ 9,300	$ (38,427)	$ (69,235)	$ 0
Warrant Exercises (in shares)		54,435
Warrant exercises	620		620
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures		20,513
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(239)		(239)
Stock option activity (in shares)		331
Stock option activity	(4)		(4)
Share-based compensation expense	821		821
Tender offer share repurchases (in shares)		1,782,568		364			1,782,568
Tender offer share repurchases	(50,349)		(52)	$ (36)			$ (50,261)
Preferred stock conversion (in shares)		799,615		92,636
Preferred stock conversion	0		9,264	$ (9,264)
Net loss	(1,220)					(1,220)
Other comprehensive income, net of tax	(290)				(290)
Ending Balance (in shares) at Dec. 29, 2018		26,351,588		0			1,782,568
Ending Balance at Dec. 29, 2018	(79,711)	$ 3	80,433	$ 0	(38,717)	(71,169)	$ (50,261)
Beginning Balance (in shares) at Sep. 28, 2019		26,476,336		0			1,782,568
Beginning Balance at Sep. 28, 2019	(67,811)	$ 3	84,271	$ 0	(56,154)	(45,649)	$ (50,282)
Warrant Exercises (in shares)		32,321
Warrant exercises	372		372
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures		2,915
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	(1,368)		(1,368)
Stock option activity (in shares)		69
Stock option activity	(10)		(10)
Share-based compensation expense	1,037		1,037
Net loss	(403)					(403)
Other comprehensive income, net of tax	327				327
Ending Balance (in shares) at Jan. 04, 2020		26,511,641.000		0			1,782,568.000
Ending Balance at Jan. 04, 2020	$ (67,856)	$ 3	$ 84,302	$ 0	$ (55,827)	$ (46,052)	$ (50,282)