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v3.21.1

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Apr. 30, 2021 | Apr. 30, 2020
Revenues: |  |
Total revenues | $ 4,194 | $ 3,187
Cost of sales: |  |
Total cost of sales | 3,651 | 2,703
Gross profit | 543 | 484
Operating expenses: |  |
Selling, general and administrative | 3,817 | 2,954
Research and development | 853 | 410
Impairment of intangible assets | 0 | 2,531
Depreciation and amortization | 666 | 730
Total operating expenses | 5,336 | 6,625
Operating loss | (4,793) | (6,141)
Other income: |  |
Other, net | 947 | 56
Total other income | 947 | 56
Loss from continuing operations before income taxes | (3,846) | (6,085)
Benefit (provision) for income taxes | 145 | (342)
Loss from continuing operations | (3,701) | (6,427)
Loss from discontinued operations, net of income taxes | (283) | (215)
Net loss | (3,984) | (6,642)
Preferred stock dividends | (584) | (559)
Net loss attributable to common stockholders | $ (4,568) | $ (7,201)
Net loss per common share - Basic |  |
Continuing operations (in usd per share) | $ (0.31) | $ (0.57)
Discontinued operations (in usd per share) | (0.02) | (0.02)
Net loss (in usd per share) | (0.33) | (0.59)
Net loss per common share - Diluted |  |
Continuing operations (in usd per share) | (0.31) | (0.57)
Discontinued operations (in usd per share) | (0.02) | (0.02)
Net loss (in usd per share) | $ (0.33) | $ (0.59)
Shares used in computing net loss per common share: |  |
Basic (in shares) | 13,759 | 12,172
Diluted (in shares) | 13,759 | 12,172
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