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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Mar. 31, 2022
Summary of Significant Accounting Policies [Abstract] |
Reconciliation of Basic and Diluted Net Income (Loss) Per Share | The following presents a reconciliation of basic and diluted net income (loss) per share.
|  | Years Ended March 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Net income (loss) |  | $ | 7,361,000 |  |  | $ | 21,476,000 |  |  | $ | (7,290,000 | )
Basic shares |  |  | 19,119,727 |  |  |  | 19,023,145 |  |  |  | 18,913,788 |
Effect of dilutive stock options and warrants |  |  | 439,919 |  |  |  | 364,410 |  |  |  | - |
Diluted shares |  |  | 19,559,646 |  |  |  | 19,387,555 |  |  |  | 18,913,788 |
Net income (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic net income (loss) per share |  | $ | 0.38 |  |  | $ | 1.13 |  |  | $ | (0.39 | )
Diluted net income (loss) per share |  | $ | 0.38 |  |  | $ | 1.11 |  |  | $ | (0.39 | )
Gain (Loss) on Equity Investments | The following summarizes the gain (loss) on the Company’s equity investments:
|  | Years Ended March 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Net gain recognized on equity securities |  | $ | 163,000 |  |  | $ | 521,000 |  |  | $ | 96,000 |
Less: net gain recognized on equity securities sold |  |  | - |  |  |  | 10,000 |  |  |  | 193,000 |
Unrealized gain (loss) recognized on equity securities still held |  | $ | 163,000 |  |  | $ | 511,000 |  |  | $ | (97,000 | )

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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=124432515&loc=d3e3550-109257 + Details
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