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Note 3 - Accounts Receivable | 3 Months Ended
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Apr. 30, 2023
Notes to Financial Statements |
Loans, Notes, Trade and Other Receivables Disclosure [Text Block] | Note 3 - Accounts receivable The majority of the Company's accounts receivable are due from geographically dispersed contractors and manufacturing companies. Credit is extended based on an evaluation of a customer's financial condition. In the United States, collateral is not generally required. In the United Arab Emirates ("U.A.E."), Saudi Arabia, Egypt and India, letters of credit are usually obtained for significant orders. Accounts receivable are due within various time periods specified in the terms applicable to the specific contract and are stated at amounts due from customers net of any allowance for claims and credit losses. The allowance for credit losses is based on specifically identified amounts in customers' accounts, where future collectability is deemed uncertain. Management exercises its judgment in adjusting the provision as a consequence of known items, such as current economic factors and credit trends. Past due trade accounts receivable balances are written off when an amount is deemed uncollectible. The write-off is recorded against the allowance for credit losses. In 2015, the Company completed a project in the Middle East with billings in the aggregate amount of approximately $41.9 million. The system has not yet been commissioned by the customer. Nevertheless, the Company has settled approximately $39.1 million as of April 30, 2023, with a remaining balance due in the amount of $2.7 million, all of which pertains to retention clauses within the agreements with the Company's customer, and which become payable by the customer when this project is fully tested and commissioned. Of this amount, $1.6 million is classified in other long-term assets on the Company's consolidated balance sheets. The Company has been engaged in ongoing active efforts to collect this outstanding amount. The Company continues to engage with the customer to ensure full payment of open balances, and during June 2022 received a partial payment to settle $0.9 million of the customer's outstanding balances. Further, the Company has been engaged by the customer to perform additional work in 2022 and 2023 under customary trade terms that supports the continued cooperation between the Company and the customer. As a result, the Company did not reserve any allowance against the remaining outstanding balances as of April 30, 2023. However, if the Company’s efforts to collect on this account are not successful, the Company may recognize an allowance for all, or substantially all, of any such then uncollected amounts. For the three months ended April 30, 2023, one customer accounted for 18.8% of the Company's consolidated net sales, and during the same period in 2022, no individual customer accounted for greater than 10% of the Company’s consolidated net sales. As of April 30, 2023 and January 31, 2023, one customer accounted for 16.3% and 11.9% of the Company's accounts receivable, respectively.

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//310-10/tableOfContent + Details
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