Debt	9 Months Ended
Oct. 31, 2014
Debt [Abstract]
Debt Disclosure [Text Block]	Debt. Debt totaled $30.6 million at October 31, 2014, a net decrease of $1.1 million since January 31, 2014. On September 24, 2014, the Company entered into a Credit and Security Agreement with a financial institution ("Credit Agreement"). Under the terms of the Credit Agreement, which matures on September 24, 2019, the Company can borrow up to $25 million, subject to borrowing base availability from secured domestic assets and other requirements, under a revolving line of credit. The Loan Agreement covenants restrict debt, liens, and investments, and require attainment of specific levels of profitability and cash flows. At October 31, 2014, the Company was in compliance with all covenants under the Credit Agreement. Interest rates vary based on the average availability in the preceding fiscal quarter and are: (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. As of October 31, 2014, the Company had borrowed $10.8 million at 3.25% and 1.68% and had $9.5 million available to it under the revolving line of credit. In addition, $0.1 million of availability was used under the Credit Agreement primarily to support letters of credit to guarantee amounts committed for inventory purchases. Cash required for operations is provided by draw downs on the line of credit. The Credit Agreement replaces a secured loan agreement with a bank originally signed July 11, 2002, as amended, which provided a revolving line of credit up to $25.0 million ("Prior Loan Agreement"). The outstanding amount under the Prior Loan Agreement was paid off in full. The Company believes that the new Credit Agreement will provide it with lower overall costs and improved flexibility for investments in and loans to foreign subsidiaries. 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 arrangements covenants requires a minimum tangible net worth to be maintained. At October 31, 2014, the Company was in compliance with the covenants under the credit arrangements. 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, 2014, borrowings under these credit arrangements totaled $1.5 million; an additional $24.9 million remained unused.

Debt. Debt totaled $30.6 million at October 31, 2014, a net decrease of $1.1 million since January 31, 2014.

On September 24, 2014, the Company entered into a Credit and Security Agreement with a financial institution ("Credit Agreement"). Under the terms of the Credit Agreement, which matures on September 24, 2019, the Company can borrow up to $25 million, subject to borrowing base availability from secured domestic assets and other requirements, under a revolving line of credit. The Loan Agreement covenants restrict debt, liens, and investments, and require attainment of specific levels of profitability and cash flows. At October 31, 2014, the Company was in compliance with all covenants under the Credit Agreement. Interest rates vary based on the average availability in the preceding fiscal quarter and are: (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. As of October 31, 2014, the Company had borrowed $10.8 million at 3.25% and 1.68% and had $9.5 million available to it under the revolving line of credit. In addition, $0.1 million of availability was used under the Credit Agreement primarily to support letters of credit to guarantee amounts committed for inventory purchases. Cash required for operations is provided by draw downs on the line of credit. The Credit Agreement replaces a secured loan agreement with a bank originally signed July 11, 2002, as amended, which provided a revolving line of credit up to $25.0 million ("Prior Loan Agreement"). The outstanding amount under the Prior Loan Agreement was paid off in full. The Company believes that the new Credit Agreement will provide it with lower overall costs and improved flexibility for investments in and loans to foreign subsidiaries.

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 arrangements covenants requires a minimum tangible net worth to be maintained. At October 31, 2014, the Company was in compliance with the covenants under the credit arrangements. 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, 2014, borrowings under these credit arrangements totaled $1.5 million; an additional $24.9 million remained unused.