Debt and Capital Lease Obligations (Details) - USD ($) $ in Thousands	Jul. 31, 2016	Jul. 31, 2015
Debt Instrument [Line Items]
Total	$ 457	$ 946
Current portion of long-term debt and capital lease obligations	(240)	(551)
Long-term debt and capital lease obligations	217	395
Long-term Debt, by Maturity [Abstract]
2017	240
2018	171
2019	27
2020	13
Thereafter	6
Total	457	946
Various Loans and Advances [Member]
Debt Instrument [Line Items]
Total	217	635
Long-term Debt, by Maturity [Abstract]
Total	$ 217	$ 635
Various Loans and Advances [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate	3.25%	3.25%
Various Loans and Advances [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate	12.00%	12.00%
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Total	$ 240	$ 311
Long-term Debt, by Maturity [Abstract]
Total	$ 240	$ 311
Capital Lease Obligations [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate	7.36%	7.36%
Capital Lease Obligations [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate	14.00%	14.00%

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
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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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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-Name Accounting Standards Codification
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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
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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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 next 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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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