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Stock-Based Compensation (Textual) (Details) - USD ($) | 12 Months Ended
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Jan. 31, 2022 | Jan. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrecognized compensation at cost | $ 1,200,000 |
Compensation cost not yet recognized, period for recognition | 2 years 10 months 24 days |
Cost of Sales |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Amount expensed and capitalized | $ 219,000 | $ 257,000
Selling, General and Administrative Expenses |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Amount expensed and capitalized | $ 794,000 | $ 755,000
Stock Incentive Plan 2019 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares authorized (in shares) | 1,000,000 |
Restricted stocks granted during period | 68,870 |
Awards vested in period | 140,295 |
Awards forfeited in period | 0 |
Stock available for future issuance | 628,435 |
2011 Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares authorized (in shares) | 2,000,000 |
Stock available for future issuance | 12,892 |
Restricted stock awards |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Awards vested in period | 0 |
Restricted stock awards | 2011 Plan [Member] | Non-employee director |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stocks granted during period | 0 |
Restricted stock units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stocks granted during period | 68,870 | 94,695
Awards vested in period | 259,495 | 224,185
Awards forfeited in period | 0 | 0
Aggregate fair value of stock awards vested during the period | $ 921,207 | $ 582,881
Compensation expense | $ 1,013,000 | $ 1,012,000
Weighted-average grant-date fair value of restricted stock awards granted | $ 3.63 | $ 2.64
Share-based payment arrangement, shares withheld for tax withholding obligation | 50,289 | 54,402
Payment, tax withholding, share-based payment arrangement | $ 176,000 | $ 156,000
Restricted stock units | 2011 Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Restricted stocks granted during period | 0 |
Awards vested in period | 119,200 |
Awards forfeited in period | 0 |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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