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Note 17 - Net Income Per Share (Tables) | 3 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months Ended |
|  | December 31, |
|  | 2019 |  |  | 2018 |
Net income |  | $ | 620,327 |  |  | $ | 1,045,940 |
Basic income per share |  | $ | 0.02 |  |  | $ | 0.03 |
Diluted income per share |  | $ | 0.02 |  |  | $ | 0.03 |
Weighted average shares outstanding - basic |  |  | 32,977,765 |  |  |  | 32,896,021 |
Assumed exercise of dilutive options |  |  | 732,855 |  |  |  | 674,845 |
Weighted average shares outstanding - diluted |  |  | 33,710,620 |  |  |  | 33,570,866 |
Potentially diluted securities outstanding at period end excluded from diluted computation as the inclusion would have been antidilutive: |  |  |  |  |  |  |  |
Options |  |  | 708,727 |  |  |  | 991,750 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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