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Note G - Stock Based Compensation (Tables) | 6 Months Ended
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Sep. 30, 2021
Notes Tables |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
|  |  |  |  |  | Weighted Average |
|  | Number of Shares |  |  | Grant Date Fair Value Per Share |
Unvested at March 31, 2021 |  |  | 339,625 |  |  | $ | 6.07 |
Cancelled or forfeited |  |  | — |  |  |  | — |
Granted |  |  | 6,000 |  |  |  | 13.00 |
Vested |  |  | (25,000 | ) |  |  | 4.41 |
Unvested at September 30, 2021 |  |  | 320,625 |  |  | $ | 6.33 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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