Other Accrued Expenses (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Jan. 31, 2020
Accrued Liabilities and Other Liabilities [Abstract]
Other employee related costs, including employee benefits	$ 169	$ 199
Freight expenses and material purchases	1,829	673
Professional fees	264	279
Sales comissions	150	234
Other vendors accruals	442	718
Income tax accrual	859	342
Other accrued expenses	$ 3,713	$ 2,445