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Note 4 - Retention | 12 Months Ended
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Jan. 31, 2020
Notes to Financial Statements |
Loans, Notes, Trade and Other Receivables, Excluding Allowance for Credit Losses [Text Block] | Note 4 - Retention A retention receivable is a portion of an outstanding receivable balance amount withheld by a customer until a contract is fully completed as specified in the contractual agreement. Retention receivables of $4.0 million and $1.7 million were included in the balance of trade accounts receivable as of January 31, 2020 and 2019 , respectively. A retention receivable of $2.3 million and $4.3 million was included in the balance of other long-term assets as of January 31, 2020 and 2019 due to the long-term nature of the receivables. See Note 2 - Accounts receivable for further information regarding the future realization of these long-term balances.

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- Definition The entire disclosure for claims held for amounts due a company, excluding disclosure for allowance for credit losses. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Also excludes disclosure for financing receivables. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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