Note 3 - Accounts Receivable	6 Months Ended
Jul. 31, 2020
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, including the availability of credit insurance. In the U.S., collateral is not generally required. In the United Arab Emirates and Saudi Arabia, 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 customer and are stated at amounts due from customers net of an allowance for claims and doubtful accounts. The allowance for doubtful accounts is based on specifically identified amounts in customers' accounts, where future collectability is deemed uncertain. Management may exercise 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 the Company's collection efforts have been unsuccessful in collecting the amount due and the amount is deemed uncollectible. The write-off is recorded against the allowance for doubtful accounts. One of the Company's accounts receivable in the total amount of $ 4.1 million as of July 31, 2020 and January 31, 2020 has been outstanding for several years. Included in this balance is a retention receivable amount of $ 3.6 million, of which, due to the long-term nature of the receivable, $1.6 million and $ 2.1 million were included in the balance of other long-term assets as of July 31, 2020 and January 31, 2020 , respectively. The Company completed all of its deliverables in 2015 under the related contract, and has been engaged in ongoing active efforts to collect this outstanding amount. During the first quarter of 2020, the Company certified invoices of $0.5 million in the process of collection. In August 2020, the Company received approximately $0.2 million from the customer and additional receipts are expected in September 2020 and throughout the remainder of the year. The Company continues to engage with the customer to ensure full payment of open balances, and during fiscal 2019 received an updated acknowledgment of the outstanding balances and assurances of payment from the customer. As a result, the Company did not reserve any allowance against this receivable as of July 31, 2020. 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 July 31, 2020 and 2019, no individual customer accounted for 10% of the Company's consolidated net sales. For the six months ended July 31, 2020 and 2019, no individual customer accounted for more than 10% of the Company's consolidated net sales. At July 31, 2020 and January 31, 2020 , one customer accounted for 14.4% and 13.3% of the Company's accounts receivable, respectively.

Note

- 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, including the availability of credit insurance. In the U.S., collateral is

not

generally required. In the United Arab Emirates and Saudi Arabia, 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 customer and are stated at amounts due from customers net of an allowance for claims and doubtful accounts. The allowance for doubtful accounts is based on specifically identified amounts in customers' accounts, where future collectability is deemed uncertain. Management

may

exercise 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 the Company's collection efforts have been unsuccessful in collecting the amount due and the amount is deemed uncollectible. The write-off is recorded against the allowance for doubtful accounts.

One of the Company's accounts receivable in the total amount of $

4.1

million as of

July 31, 2020

and

January 31, 2020

has been outstanding for several years. Included in this balance is a retention receivable amount of $

3.6

million, of which, due to the long-term nature of the receivable,

$1.6

million and $

2.1

million were included in the balance of other long-term assets

as of

July 31, 2020

and

January 31, 2020

, respectively. The Company completed all of its deliverables in

2015

under the related contract, and has been engaged in ongoing active efforts to collect this outstanding amount. During the

first

quarter of

2020,

the Company certified invoices of

$0.5

million in the process of collection. In

August 2020,

the Company received approximately

$0.2

million from the customer and additional receipts are expected in

September 2020

and throughout the remainder of the year. The Company continues to engage with the customer to ensure full payment of open balances, and during fiscal

2019

received an updated acknowledgment of the outstanding balances and assurances of payment from the customer. As a result, the Company did

not

reserve any allowance against this receivable as of

July 31, 2020.

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

July 31, 2020

and

2019,

individual customer accounted for

10%

of the Company's consolidated net sales. For the

six

months ended

July 31, 2020

and

2019,

individual customer accounted for more than

10%

of the Company's consolidated net sales.

July 31, 2020

and

January 31, 2020

one

customer accounted for

14.4%

and

13.3%

of the Company's accounts receivable, respectively.