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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, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 98	$ 149	$ 270	$ 252
Cost of goods sold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	10	28	38	56
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	88	$ 121	232	$ 196
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 208		$ 208
Unrecognized compensation expense, weighted average period to be recognized			1 year
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)	16,066		16,066
Vested in period (shares)	164,110		164,110
Forfeited in period (shares)	0		0
Awards available for future issuance (shares)	521,859		521,859