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Note 17 - Net Income Per Share (Tables) | 9 Months Ended
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Jun. 30, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months Ended |  |  | Nine months Ended |
|  | June 30, |  |  | June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Net income |  | $ | 1,504,077 |  |  | $ | 638,041 |  |  | $ | 2,425,979 |  |  | $ | 2,862,831 |
Basic income per share |  | $ | 0.05 |  |  | $ | 0.02 |  |  | $ | 0.07 |  |  | $ | 0.09 |
Diluted income per share |  | $ | 0.04 |  |  | $ | 0.02 |  |  | $ | 0.07 |  |  | $ | 0.09 |
Weighted average shares outstanding - basic |  |  | 33,289,426 |  |  |  | 32,575,118 |  |  |  | 33,122,042 |  |  |  | 32,684,311 |
Assumed exercise of dilutive options |  |  | 991,489 |  |  |  | 797,659 |  |  |  | 756,201 |  |  |  | 656,746 |
Weighted average shares outstanding - diluted |  |  | 34,280,915 |  |  |  | 33,372,777 |  |  |  | 33,878,243 |  |  |  | 33,341,057 |
Potentially diluted securities outstanding at period end excluded from diluted computation as the inclusion would have been antidilutive: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options |  |  | 893,750 |  |  |  | 761,250 |  |  |  | 893,750 |  |  |  | 976,750 |

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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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