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Note A - Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | December 31, |  |  | December 31, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 3,632 |  |  | $ | 476 |  |  | $ | 5,890 |  |  | $ | 572 |
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares outstanding |  |  | 6,270 |  |  |  | 6,795 |  |  |  | 6,344 |  |  |  | 6,818 |
Dilutive effect of stock options and restricted stock |  |  | 135 |  |  |  | 91 |  |  |  | 94 |  |  |  | 117 |
Diluted weighted average common shares outstanding |  |  | 6,405 |  |  |  | 6,886 |  |  |  | 6,438 |  |  |  | 6,935 |
Basic net income per common share |  | $ | 0.58 |  |  | $ | 0.07 |  |  | $ | 0.93 |  |  | $ | 0.08 |
Diluted net income per common share |  | $ | 0.57 |  |  | $ | 0.07 |  |  | $ | 0.91 |  |  | $ | 0.08 |

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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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