Stock-Based Compensation (Textual) (Details) - USD ($)	12 Months Ended
Jan. 31, 2021	Jan. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation at cost	$ 1,900,000
Compensation cost not yet recognized, period for recognition	2 years 11 months 12 days
Cost of Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount expensed and capitalized	$ 257,000	$ 239,000
Selling, General and Administrative Expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount expensed and capitalized	$ 755,000	$ 685,000
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stocks granted during period	94,695	547,385
Awards vested in period	224,185	223,555
Awards forfeited in period	0	84,000
Aggregate fair value of stock awards vested during the period	$ 582,881	$ 994,820
Compensation expense	$ 1,012,000	$ 924,000
Weighted-average grant-date fair value of restricted stock awards granted	$ 2.64	$ 4.38
Share-based payment arrangement, shares withheld for tax withholding obligation	54,402	55,792
Payment, tax withholding, share-based payment arrangement	$ 156,000	$ 246,000
Restricted Stock Units [Member] \| 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	94,695
Awards vested in period	45,600
Awards forfeited in period	0
Stock available for future issuance	677,305
Restricted Stock Units [Member] \| 2011 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)	2,000,000
Restricted stocks granted during period	0
Awards vested in period	119,200
Awards forfeited in period	0
Stock available for future issuance	32,892
Restricted Stock \| 2011 Plan [Member] \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stocks granted during period	0
Awards vested in period	59,385

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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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.

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