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Note 2 - Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2024
Notes Tables |
Restrictions on Cash and Cash Equivalents [Table Text Block] |
|  | 2023 |  |  | 2022 |
Cash and cash equivalents |  | $ | 5,845 |  |  | $ | 5,773 |
Restricted cash |  |  | 1,395 |  |  |  | 1,020 |
Cash, cash equivalents and restricted cash as presented in the statement of cash flows |  | $ | 7,240 |  |  | $ | 6,793 |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | 2023 |  |  | 2022 |
Equity adjustment foreign currency, gross |  | $ | (5,804 | ) |  | $ | (6,707 | )
Minimum pension liability, gross |  |  | - |  |  |  | - |
Subtotal excluding tax effect |  |  | (5,804 | ) |  |  | (6,707 | )
Tax effect of equity adjustment foreign currency |  |  | 253 |  |  |  | 258 |
Tax effect of minimum pension liability |  |  | - |  |  |  | - |
Total accumulated other comprehensive loss |  | $ | (5,551 | ) |  | $ | (6,449 | )
Schedule of Inventory, Current [Table Text Block] |
|  | 2023 |  |  | 2022 |
Raw materials |  | $ | 13,787 |  |  | $ | 14,992 |
Work in process |  |  | 611 |  |  |  | 750 |
Finished goods |  |  | 2,022 |  |  |  | 203 |
Subtotal |  |  | 16,420 |  |  |  | 15,945 |
Less allowance |  |  | 879 |  |  |  | 1,207 |
Inventories |  | $ | 15,541 |  |  | $ | 14,738 |
Property, Plant and Equipment [Table Text Block] |
|  | Useful Life (Years) |  |  | 2023 |  |  | 2022 |
Land, buildings and improvements |  |  | 3 - 30 |  |  | $ | 25,620 |  |  | $ | 22,276 |
Machinery and equipment |  |  | 3 - 10 |  |  |  | 56,411 |  |  |  | 54,200 |
Furniture, office equipment and computer systems |  |  | 3 - 7 |  |  |  | 3,169 |  |  |  | 3,727 |
Transportation equipment |  |  | 3 |  |  |  | 2,293 |  |  |  | 2,727 |
Subtotal |  |  |  |  |  |  | 87,493 |  |  |  | 82,930 |
Less accumulated depreciation |  |  |  |  |  |  | 49,873 |  |  |  | 56,412 |
Property, plant and equipment, net of accumulated depreciation |  |  |  |  |  | $ | 37,620 |  |  | $ | 26,518 |
Schedule of Goodwill [Table Text Block] |
|  | 2023 |  |  | 2022 |
Balance at beginning of year |  | $ | 2,227 |  |  | $ | 2,342 |
Foreign exchange adjustment |  |  | (5 | ) |  |  | (115 | )
Balance at end of year |  | $ | 2,222 |  |  | $ | 2,227 |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
Basic weighted average number of common shares outstanding |  | 2023 |  |  | 2022 |
Basic weighted average number of common shares outstanding |  |  | 7,977 |  |  |  | 7,976 |
Dilutive effect of stock options and restricted stock units |  |  | 96 |  |  |  | 140 |
Weighted average number of common shares outstanding assuming full dilution |  |  | 8,073 |  |  |  | 8,116 |
Restricted stock and stock options not included in the computation of diluted EPS of common stock because the option exercise prices exceeded the average market prices |  |  | 87 |  |  |  | 105 |
Canceled options during the year |  |  | (17 | ) |  |  | (11 | )
Restricted stock and stock options with an exercise price below the average stock price |  |  | 96 |  |  |  | 140 |

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