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Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 51	$ 98	$ 114	$ 270
Cost of goods sold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	0	10	0	38
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	51	$ 88	114	$ 232
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 156		$ 156
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		23,003
Vested in period (shares)	16,066		16,066
Forfeited in period (shares)	0		0
Awards available for future issuance (shares)	498,856		498,856