LONG-TERM DEBT (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 02, 2014	Aug. 03, 2013
Long-term debt instrument
Effective interest rate on debt	7.32%
Long-term debt
Long-term debt, including current installments	$ 33,500	$ 34,110
Less: current installments	990	1,019
Long-term debt, excluding current portion	32,510	33,091
Aggregate maturities of long-term debt
2014	990
2015	1,000
2016	1,141
2017	1,250
2018	1,306
2020 and thereafter	27,813
Long-term debt, including current installments	33,500	34,110
Sale leaseback financing obligation
Long-term debt
Long-term debt, including current installments	33,439	33,477
Aggregate maturities of long-term debt
Long-term debt, including current installments	33,439	33,477
Real estate and equipment term loan
Long-term debt instrument
Stated interest rate on debt	8.60%	8.60%
Long-term debt
Long-term debt, including current installments	0	409
Aggregate maturities of long-term debt
Long-term debt, including current installments	0	409
Term loan for employee stock ownership plan
Long-term debt instrument
Stated interest rate on debt	1.33%	1.33%
Long-term debt
Long-term debt, including current installments	61	224
Aggregate maturities of long-term debt
Long-term debt, including current installments	$ 61	$ 224