XML 44 R31.htm IDEA: XBRL DOCUMENT
v3.22.1

Schedule II - Valuation and Qualifying Accounts and Reserves | 12 Months Ended
--- | ---
Jan. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts and Reserves | SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
Description |  | Balance at Beginning of Year |  |  | Provision/ (Benefit) Charged to Operations |  |  | Deductions(2) |  |  | Balance at End of Year |
Allowance for Doubtful Accounts (1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(In thousands) |  |  |  |  |  |  |  |  |  |  |  |
Year Ended January 31, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2022 |  | $ | 1,054 |  |  | $ | 50 |  |  | $ | (278 | ) |  | $ | 826 |
2021 |  | $ | 856 |  |  | $ | 194 |  |  | $ | 4 |  |  | $ | 1,054 |
2020 |  | $ | 521 |  |  | $ | 546 |  |  | $ | (211 | ) |  | $ | 856 |
(1) | The allowance for doubtful accounts has been netted against accounts receivable in the balance sheets as of the respective balance sheet dates.
(2) | Uncollectible accounts written off, net of recoveries.

X
- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration