Debt Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Line of Credit Facility [Line Items]
Revolving line foreign	$ 301	$ 8,131
Canada
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate at Period End	3.95%
North America [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	$ 5,800
United States
Line of Credit Facility [Line Items]
Debt instrument, interest rate, stated percentage	5.00%
Line of Credit Facility, Expiration Date	Sep. 24, 2018
Line of Credit Facility, Covenant Terms	require attainment of specific levels of profitability and cash flows
Line of Credit Facility, Interest Rate at Period End	3.77%
Foreign Line of Credit [Member]
Line of Credit Facility [Line Items]
Revolving line foreign	$ 301
Line of Credit Facility, Maximum Borrowing Capacity	$ 26,000
Line of Credit Facility, Covenant Terms	Some credit arrangement covenants requires a minimum tangible net worth to be maintained
Line of Credit Facility, Covenant Compliance	in compliance with the covenant under the credit arrangement.
Line of Credit Facility, Interest Rate Description	Interest rates are 4.0% per annum below National Bank of Fujairah Base Rate, minimum 3.5% per annum, and Emirates Inter Bank Offered Rate (EIBOR) plus 3.5% per annum. The Company's interest rates range from 3.5% to 6.0%
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 301
Line of Credit Facility, Remaining Borrowing Capacity	20,800
Letters of Credit Outstanding, Amount	$ 4,900
Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Maturity Date	Sep. 01, 2017
Face value of debt in local currency	50 million Saudi Riyal
Debt Instrument, Face Amount	$ 13,300
Debt Instrument, Interest Rate at Period End	6.00%
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Maturity Date	Jun. 01, 2017
Face value of debt in local currency	15 million Dirhams
Debt Instrument, Face Amount	$ 4,200
Debt Instrument, Interest Rate at Period End	6.00%
Middle East [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Maturity Date	Nov. 30, 2017
Face value of debt in local currency	31 million Dirhams
Debt Instrument, Face Amount	$ 8,500
Debt Instrument, Interest Rate at Period End	6.00%
North America [Member]
Line of Credit Facility [Line Items]
Revolving line North America	$ 3,813	$ 5,237
United States
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate Description	(a) a margin in effect plus a base rate, if below certain availability limits; or (b) a margin in effect plus the Eurodollar rate for the corresponding interest period.
Letters of Credit Outstanding, Amount	$ 200
Line of Credit, Current borrowing capacity	$ 15,000