Debt Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Line of Credit Facility [Line Items]
Revolving line domestic	$ 5,237	$ 11,353
Revolving line foreign	$ 8,131	2,774
United States
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date	Sep. 24, 2019
Line of Credit Facility, Covenant Terms	require attainment of specific levels of profitability and cash flows when reaching certain levels of availability
Foreign Line of Credit [Member]
Line of Credit Facility [Line Items]
Revolving line foreign	$ 8,131
Line of Credit Facility, Maximum Borrowing Capacity	$ 43,800
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	$ 8,131
Line of Credit Facility, Remaining Borrowing Capacity	28,700
Letters of Credit Outstanding, Amount	$ 7,000
Line of Credit [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Maturity Date	Sep. 01, 2016
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, 2016
Face value of debt in local currency	40 million Dirhams
Debt Instrument, Face Amount	$ 10,900
Debt Instrument, Interest Rate at Period End	6.00%
Middle East [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Maturity Date	Nov. 30, 2016
Face value of debt in local currency	71.6 million Dirhams
Debt Instrument, Face Amount	$ 19,500
Debt Instrument, Interest Rate at Period End	6.00%
United States
Line of Credit Facility [Line Items]
Revolving line domestic	$ 5,237	$ 11,353
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000
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.
Line of Credit Facility, Interest Rate at Period End	3.25%
Line of Credit Facility, Remaining Borrowing Capacity	$ 8,300
Letters of Credit Outstanding, Amount	300
Line of Credit, Current borrowing capacity as of February 29	$ 15,000