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Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Thousands	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 47	$ 63	$ 161	$ 333
Cost of goods sold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	0	0	0	38
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	47	$ 63	161	$ 295
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 109		$ 109
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		1,000,000
Granted in the period (shares)			23,003
Vested in period (shares)			16,066
Forfeited in period (shares)			0
Awards available for future issuance (shares)	498,856		498,856