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Note 8 - Earnings Per Share (Tables) | 12 Months Ended
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Mar. 31, 2022
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year Ended March 31, |
|  | 2022 |  |  | 2021 |
Numerator (basic and diluted) |  |  |  |  |  |  |  |
Net earnings |  | $ | 14,066,322 |  |  | $ | 11,424,475 |
Less: Allocation to unvested restricted stock units |  |  | 543,054 |  |  |  | 492,462 |
Net earnings attributable to common shareholders |  |  | 13,523,268 |  |  |  | 10,932,013 |
Denominator (basic and diluted) |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 6,623,769 |  |  |  | 6,703,654 |

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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