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Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2017	Jul. 31, 2016
Current:
Foreign	$ 12	$ 169
Federal
State
Total current expense	12	169
Deferred:
Foreign	(28)	(26)
Federal
State
Total deferred expense	(28)	(26)
(Benefit from) Provision for income taxes	$ (16)	$ 143

X

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