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Note 6 - Earnings Per Share (Tables) | 12 Months Ended
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Mar. 31, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year Ended March 31 |
|  | 20 20 |  |  | 2019 |
Basic |  |  |  |  |  |  |  |
Net earnings (loss) |  | $ | (5,249,210 | ) |  | $ | 5,099,924 |
Weighted average common shares |  |  | 7,000,403 |  |  |  | 7,010,266 |
Dilutive |  |  |  |  |  |  |  |
Net earnings (loss) |  | $ | (5,249,210 | ) |  | $ | 5,099,924 |
Weighted average common shares and common share equivalents |  |  | 7,000,403 |  |  |  | 7,010,266 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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