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3. NET LOSS PER COMMON SHARE | 6 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
NOTE 3 - NET LOSS PER COMMON SHARE | NOTE 3—NET LOSS PER COMMON SHARE ​ The Company uses the treasury stock method to calculate the weighted average shares used in computing diluted net loss per share. The following table sets forth the computation of basic and diluted net loss per share: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Six Months Ended September 30,
​ |  | 2025 | ​ | 2024 | ​ | 2025 | ​ | 2024
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (In thousands, except per share amounts) | ​ | (In thousands, except per share amounts)
Net loss | ​ | $ | (3,185) |  | $ | (5,458) |  | ​ | (5,402) |  | $ | (4,380)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominators: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average shares—Basic | ​ |  | 29,630 | ​ | ​ | 25,467 | ​ | ​ | 28,306 | ​ | ​ | 25,421
Dilutive effect of employee stock options | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Dilutive effect of employee stock purchase plan options | ​ |  | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Weighted average shares—Dilutive | ​ |  | 29,630 | ​ |  | 25,467 | ​ |  | 28,306 | ​ |  | 25,421
Net loss per common share—Basic |  | $ | (0.11) |  | $ | (0.21) |  | $ | (0.19) | ​ | $ | (0.17)
Net loss per common share—Diluted |  | $ | (0.11) |  | $ | (0.21) |  | $ | (0.19) | ​ | $ | (0.17)
​ The following shares of common stock underlying outstanding stock options and unissued ESPP shares, determined on a weighted average basis, were excluded from the computation of diluted net loss per share as they had an anti-dilutive effect: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Six Months Ended September 30,
​ | ​ | 2025 | ​ | 2024 | ​ | 2025 | ​ | 2024
​ | ​ | (In thousands) | ​ | (In thousands)
Shares underlying options and ESPP shares |  | 7,073 | ​ | 7,956 | ​ | 6,960 | ​ | 7,927
​

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