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Note A - Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Mar. 31, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 1,916 |  |  | $ | (4,015 | ) |  | $ | 7,806 |  |  | $ | (3,443 | )
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares outstanding |  |  | 6,201 |  |  |  | 6,565 |  |  |  | 6,296 |  |  |  | 6,734 |
Dilutive effect of stock options and restricted stock |  |  | 126 |  |  |  | — |  |  |  | 105 |  |  |  | — |
Diluted weighted average common shares outstanding |  |  | 6,327 |  |  |  | 6,565 |  |  |  | 6,401 |  |  |  | 6,734 |
Basic net income (loss) per common share |  | $ | 0.31 |  |  | $ | (0.61 | ) |  | $ | 1.24 |  |  | $ | (0.51 | )
Diluted net income (loss) per common share |  | $ | 0.30 |  |  | $ | (0.61 | ) |  | $ | 1.22 |  |  | $ | (0.51 | )

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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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