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Other liabilities (Details) - Schedule of future minimum lease and loan payments
$ in Thousands
Jul. 31, 2016
USD ($)
Schedule of future minimum lease and loan payments [Abstract]  
2017 $ 307
2017 236
2018 97
2018 299
2019 258
2019 9
2020 250
2021 198
Total payments 1,312
Total payments 342
Less: interest (211)
Less: interest (1)
Total net of interest 1,101
Total net of interest 341
Less: current portion (307)
Less: current portion (236)
Other liabilities - net 794
Other liabilities - net $ 105