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Note 8 - Earnings Per Share | 12 Months Ended
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Mar. 31, 2021
Notes to Financial Statements |
Earnings Per Share [Text Block] | 8 . EARNINGS PER SHARE Basic and dilutive net earnings (loss) per share is computed based on the following information:
|  | Year Ended March 31, |
|  | 2021 |  |  | 2020 |
Basic |  |  |  |  |  |  |  |
Net earnings (loss) |  | $ | 11,424,475 |  |  | $ | (5,249,210 | )
Weighted average common shares |  |  | 7,027,707 |  |  |  | 7,000,403 |
Dilutive |  |  |  |  |  |  |  |
Net earnings (loss) |  | $ | 11,424,475 |  |  | $ | (5,249,210 | )
Weighted average common shares and common share equivalents |  |  | 7,027,707 |  |  |  | 7,000,403 |

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