Debt	9 Months Ended
Oct. 31, 2013
Debt [Abstract]
Debt Disclosure [Text Block]	Debt. Debt totaled $40.9 million at October 31, 2013, a net decrease of $1.1 million for the fiscal year. On July 11, 2002, the Company entered into a secured loan and security agreement with a financial institution ("Loan Agreement"). Under the terms of the Loan Agreement as amended, which matures on November 30, 2016, the Company can borrow up to $25 million, subject to borrowing base and other requirements, under a revolving line of credit. The Loan Agreement covenants restrict debt, liens, investments, do not permit payment of dividends and require attainment of specific levels of profitability and cash flows. At October 31, 2013, the Company was in compliance with all covenants under the Loan Agreement. Interest rates are based on options selected by the Company as follows: (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. As of October 31, 2013, the Company had borrowed $11.7 million at prime and LIBOR rates and had $8.7 million available to it under the revolving line of credit. In addition, $0.3 million of availability was used under the Loan Agreement primarily to support letters of credit to guarantee amounts committed for inventory purchases. The Loan Agreement provides that all domestic receipts are deposited in a bank account from which all funds may only be used to pay the debt under the Loan Agreement. At October 31, 2013, the amount of such restricted cash was $2 million. Cash required for operations is provided by draw downs on the line of credit. Revolving lines foreign. The Company also has credit arrangements used by its Danish and Middle Eastern subsidiaries. These credit arrangements are in the form of overdraft facilities and project financing at rates competitive in the countries in which the Company operates. The credit arrangement covenant requires a minimum tangible net worth to be maintained. At October 31, 2013, the Company was in compliance with the covenant under the credit arrangement. 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%. At October 31, 2013, borrowings under these credit arrangements totaled $9 million; an additional $17.4 million remained unused. On April 27, 2010, the Company obtained a loan with no maturity date in the amount of $2 million collateralized by the cash surrender value of insurance policies on the lives of key executive officers. The loans carried interest at a rate of 4.25% and required interest only payments annually. At January 31, 2013, the balance was $1.8 million. In October 2013, the loan was paid down, and the remaining loan balance of $64 thousand was paid in November 2013.

Debt. Debt totaled $40.9 million at October 31, 2013, a net decrease of $1.1 million for the fiscal year.

On July 11, 2002, the Company entered into a secured loan and security agreement with a financial institution ("Loan Agreement"). Under the terms of the Loan Agreement as amended, which matures on November 30, 2016, the Company can borrow up to $25 million, subject to borrowing base and other requirements, under a revolving line of credit. The Loan Agreement covenants restrict debt, liens, investments, do not permit payment of dividends and require attainment of specific levels of profitability and cash flows. At October 31, 2013, the Company was in compliance with all covenants under the Loan Agreement. Interest rates are based on options selected by the Company as follows: (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. As of October 31, 2013, the Company had borrowed $11.7 million at prime and LIBOR rates and had $8.7 million available to it under the revolving line of credit. In addition, $0.3 million of availability was used under the Loan Agreement primarily to support letters of credit to guarantee amounts committed for inventory purchases. The Loan Agreement provides that all domestic receipts are deposited in a bank account from which all funds may only be used to pay the debt under the Loan Agreement. At October 31, 2013, the amount of such restricted cash was $2 million. Cash required for operations is provided by draw downs on the line of credit.

Revolving lines foreign. The Company also has credit arrangements used by its Danish and Middle Eastern subsidiaries. These credit arrangements are in the form of overdraft facilities and project financing at rates competitive in the countries in which the Company operates. The credit arrangement covenant requires a minimum tangible net worth to be maintained. At October 31, 2013, the Company was in compliance with the covenant under the credit arrangement. 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%. At October 31, 2013, borrowings under these credit arrangements totaled $9 million; an additional $17.4 million remained unused.

On April 27, 2010, the Company obtained a loan with no maturity date in the amount of $2 million collateralized by the cash surrender value of insurance policies on the lives of key executive officers. The loans carried interest at a rate of 4.25% and required interest only payments annually. At January 31, 2013, the balance was $1.8 million. In October 2013, the loan was paid down, and the remaining loan balance of $64 thousand was paid in November 2013.