Other Accrued Expenses (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Other Accrued Expenses
Other employee related costs, including employee benefits	$ 211	$ 199
Freight expenses and material purchases	1,266	673
Professional fees	125	279
Sales comissions	122	234
Other vendors accruals	423	718
Income tax accrual	1,408	342
Other accrued expenses	$ 3,555	$ 2,445