Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2024	Apr. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 172	$ 103
Cost of goods sold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	28	28
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	144	$ 75
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 57
Unrecognized compensation expense, weighted average period to be recognized	1 month
Restricted Stock Units (RSUs) [Member] \| 2019 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards authorized (shares)	1,000,000
Granted in the period (shares)	0
Vested in period (shares)	0
Forfeited in period (shares)	0
Awards available for future issuance (shares)	537,925

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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