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Note 6 - Net Loss Per Share | 3 Months Ended
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Mar. 31, 2022
Notes to Financial Statements |
Earnings Per Share [Text Block] | (6) Net Loss per Share Basic net loss per share is computed on the basis of the weighted average number of shares of common stock outstanding during the period. Diluted net loss per share is computed based on the weighted average number of common shares outstanding plus the effect of potentially dilutive common shares outstanding during the period using the treasury stock method and the if-converted method. Potentially dilutive common shares include outstanding stock options and share-based awards. The following table reconciles the numerators and denominators used in the computations of both basic and diluted net loss per share:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | March 31, |  |  | March 31, |
(In thousands, except per share data) |  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (2,100 | ) |  | $ | (2,403 | ) |  | $ | (6,309 | ) |  | $ | (6,136 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic and diluted net loss per share — weighted average common stock outstanding |  |  | 47,611 |  |  |  | 18,171 |  |  |  | 47,506 |  |  |  | 14,649 |
Basic and diluted net loss per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (0.04 | ) |  | $ | (0.13 | ) |  | $ | (0.13 | ) |  | $ | (0.42 | )
All unvested restricted stock awards for the nine months ended March 31, 2022 are not included in diluted net loss per share, as the impact to net loss per share would be anti-dilutive. Options to purchase 152,532 shares of common stock at exercise prices ranging from $1.85 to $6.00 per share outstanding as of March 31, 2022 were not included in diluted net loss per share, as the impact to net loss per share would be anti-dilutive.

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