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Income Taxes (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2017	Jul. 31, 2016
Effective income tax rate reconciliation
U.S. federal income tax at statutory rate	$ (213)	$ 383
State income tax	(165)	69
Valuation allowance	717	(276)
Foreign tax rate differential	16	(34)
Meals	5	4
Stock compensation and employment credits	(381)
Other	5	(3)
(Benefit from) Provision for income taxes	$ (16)	$ 143

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

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