Debt and Capital Lease Obligations (Details) - USD ($) $ in Thousands	Jan. 28, 2017	Jul. 31, 2016
Debt Instrument [Line Items]
Total	$ 301	$ 457
Current portion of long-term debt and capital lease obligations	(223)	(240)
Long-term debt and capital lease obligations	78	217
Long-term Debt, by Maturity [Abstract]
2018	223
2019	47
2020	18
2021	13
Thereafter	0
Total	301	457
Various Bank Loans and Advances [Member]
Debt Instrument [Line Items]
Total	135	217
Long-term Debt, by Maturity [Abstract]
Total	$ 135	217
Various Bank Loans and Advances [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate	3.25%
Various Bank Loans and Advances [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate	6.58%
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Total	$ 166	240
Long-term Debt, by Maturity [Abstract]
Total	$ 166	$ 240
Capital Lease Obligations [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate	7.36%
Capital Lease Obligations [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate	15.09%

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03(a)(16))
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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 50
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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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