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Summary of Business and Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 31, 2023
Accounting Policies [Abstract] |
Schedule of inventory, net | The following table presents an updated breakdown of the Company’s net inventory (in thousands) as of January 31, 2023 and 2022:
|  | January 31,
|  | 2023 |  | 2022
Finished goods |  | $ | 25,740 |  |  | $ | 16,731 |
Work in Process |  | 25,303 |  |  | 14,732 |
Raw materials |  | 16,363 |  |  | 15,910 |
Inventories |  | $ | 67,406 |  |  | $ | 47,373 |
Depreciation and amortization computed on the straight-line method for financial reporting purposes based upon estimated useful lives | Property, plant, and equipment are stated at cost, less accumulated depreciation and amortization. Depreciation and amortization are computed on the straight-line method for financial reporting purposes based upon the following estimated useful lives:
Land improvements | 5 to 25 years
Buildings and building improvements | 5 to 40 years
Machinery and equipment | 3 to 10 years
Leasehold improvements | shorter of lease or useful life
Asset retirement obligations related to leased manufacturing facilities |
| January 31,
| 2023 |  | 2022
Balance at beginning of period | $ | 198,000 |  |  | $ | 192,000 |
Decrease in obligation | — |  |  | — |
Accretion expense | 7,000 |  |  | 6,000 |
Balance at end of period | $ | 205,000 |  |  | $ | 198,000 |
Computation of basic and diluted loss per share |
|  | January 31,
|  | 2023 |  | 2022
|  | (In thousands, except per share)
Numerator |  |  |  |
Net income (loss) |  | $ | 16,547 |  |  | $ | (15,136) |
Denominator |  |  |  |
Weighted-average shares — basic |  | 16,142 |  |  | 15,954 |
Dilutive effect of common stock equivalents from equity incentive plans |  | 50 |  |  | — |
Weighted-average shares |  | 16,192 |  |  | 15,954 |
Net income (loss) per common share |  |  |  |
Basic |  | $ | 1.03 |  |  | $ | (0.95) |
Diluted |  | $ | 1.02 |  |  | $ | (0.95) |
Schedule of accumulated other comprehensive loss | The following table summarizes the changes in accumulated balances of other comprehensive loss (in thousands) for the years ended January 31, 2023 and 2022:
|  | January 31,
|  | 2023 |  | 2022
Balance as of beginning of year |  | $ | (6,029) |  |  | $ | (13,585) |
Other comprehensive income before reclassifications |  | 3,162 |  |  | 5,782 |
Amounts reclassified from accumulated comprehensive loss |  | 507 |  |  | 1,774 |
Net current period other comprehensive income |  | 3,669 |  |  | 7,556 |
Balance as of end of year |  | $ | (2,360) |  |  | $ | (6,029) |

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