Debt (Details) (USD $)	9 Months Ended
	Oct. 31, 2013	Jan. 31, 2013
Debt [Line Items]
Debt	$ 40,900,000
Debt, net change	(1,100,000)
UNITED STATES
Debt [Line Items]
Maturity date	Nov. 30, 2016
Line of Credit Facility, Maximum Borrowing Capacity	25,000,000
Line of Credit Facility, Dividend Restrictions	do not permit payment of dividends
Line of Credit Facility, Covenant Terms	require attainment of specific levels of profitability and cash flows
Line of Credit Facility, Covenant Compliance	in compliance with all covenants under the Loan Agreement
Line of Credit Facility, Interest Rate Description	(a) a margin of 0.50 in effect plus prime rate; or (b) a margin of 2.75 in effect plus the LIBOR rate for the corresponding interest period.
Letters of Credit Outstanding, Amount	300,000
Restricted Cash and Cash Equivalents, Current	2,000,000
Revolving line, amount outstanding	11,700,000
Revolving line, remaining borrowing capacity	8,700,000
Foreign Line of Credit [Member]
Debt [Line Items]
Line of Credit Facility, Covenant Terms	The credit arrangement covenant 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 as follows 4.00% per annum below National Bank of Fujairah Base Rate, minimum 3.50% per annum and Emirates Inter Bank Offered Rate (EIBOR) plus 3.50% per annum. The Company's interest rates range from 3.5% to 6%
Revolving line, amount outstanding	9,000,000
Revolving line, remaining borrowing capacity	17,400,000
Cash Surrender Value [Member]
Debt [Line Items]
Debt Instrument, Issuance Date	Apr. 27, 2010
Debt Instrument, Face Amount	2,000,000
Debt Instrument, Interest Rate During Period	4.25%
Loans Payable	$ 64,000	$ 1,800,000