Earnings Per Share - Components of Basic and Diluted Net Income per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		5 Months Ended	6 Months Ended
	Mar. 09, 2016	Feb. 11, 2015	Feb. 11, 2015	Mar. 09, 2016
Numerator:
Loss from continuing operations	$ (582)	$ (1,285)	$ (4,165)	$ (2,321)
Loss from discontinued operations, net of income taxes	(17)	(74)	(213)	(89)
NET LOSS	$ (599)	$ (1,359)	$ (4,378)	$ (2,410)
Denominator:
Denominator for basic earnings per share—weighted-average shares (in shares)	29,247	28,921	28,906	29,182
Effect of potentially dilutive securities:
Employee and non-employee stock options (in shares)	0	0	0	0
Denominator for earnings per share assuming dilution (in shares)	29,247	28,921	28,906	29,182
Loss per share from continuing operations:
Basic (in dollars per share)	$ (0.02)	$ (0.04)	$ (0.14)	$ (0.08)
Assuming dilution (in dollars per share)	(0.02)	(0.04)	(0.14)	(0.08)
Loss per share from discontinued operations:
Basic (in dollars per share)	0.00	(0.01)	(0.01)	0.00
Assuming dilution (in dollars per share)	0.00	(0.01)	(0.01)	0.00
Net loss per share:
Basic (in dollars per share)	(0.02)	(0.05)	(0.15)	(0.08)
Assuming dilution (in dollars per share)	$ (0.02)	$ (0.05)	$ (0.15)	$ (0.08)