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Summary of Business and Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 31, 2021
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:
|  | 2021 |  | 2020
Finished goods |  | $ | 15,606 |  |  | $ | 15,401 |
Work in Process |  | 11,907 |  |  | 15,957 |
Raw materials |  | 10,757 |  |  | 11,971 |
Inventories, net |  | $ | 38,270 |  |  | $ | 43,329 |
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. 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,
| 2021 |  | 2020
Balance at beginning of period | $ | 186,000 |  |  | $ | 179,000 |
Decrease in obligation | — |  |  | — |
Accretion expense | 6,000 |  |  | 7,000 |
Balance at end of period | $ | 192,000 |  |  | $ | 186,000 |
Computation of basic and diluted loss per share | The following table sets forth the computation of basic and diluted loss per share:
|  | January 31,
|  | 2021 |  | 2020
|  | (In thousands, except per share)
Numerator |  |  |  |
(Loss) income |  | $ | (2,232) |  |  | $ | 2,382 |
Denominator |  |  |  |
Weighted-average shares — basic |  | 15,759 |  |  | 15,590 |
Dilutive effect of common stock equivalents from equity incentive plans |  | — |  |  | 104 |
Weighted-average shares — diluted (a) |  | $ | 15,759 |  |  | $ | 15,694 |
Net (loss) income per common share |  |  |  |
Basic |  | $ | (0.14) |  |  | $ | 0.15 |
Diluted |  | (0.14) |  |  | 0.15 |
(a) For fiscal year 2021, approximately 52,000 shares of common stock equivalents were excluded in the computation of diluted net loss per share, as the effect would be anti-dilutive since the Company reported a net loss.
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table summarizes the changes in accumulated balances of other comprehensive (loss) income for the years ended January 31, 2021 and 2020:
|  | January 31,
(in thousands) |  | 2021 |  | 2020
Balance as of beginning of year |  | $ | (14,311) |  |  | $ | (9,042) |
Other comprehensive loss before reclassifications |  | (1,105) |  |  | (6,045) |
Amounts reclassified from AOCI |  | 1,831 |  |  | 776 |
Net current period other comprehensive income (loss) |  | 726 |  |  | (5,269) |
Balance as of end of year |  | $ | (13,585) |  |  | $ | (14,311) |

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