Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses, Accrued Expenses, Other Current Assets and Liabilities (Details Textual)

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Prepaid Expenses, Accrued Expenses, Other Current Assets and Liabilities (Details Textual) - USD ($)
$ in Thousands
1 Months Ended
Apr. 30, 2017
Oct. 31, 2016
Prepaid Expenses, Accrued Expenses, Other Current Assets and Liabilities (Textual)    
Down payment received with purchase order $ 20 $ 56