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Note 16 - Net Income (Loss) Per Share (Tables) | 12 Months Ended
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Sep. 30, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year ended September 30, |
|  | 2019 |  |  | 2018 |
Net income (loss) |  | $ | 2,784,992 |  |  | $ | (3,745,042 | )
Basic income (loss) per share |  | $ | 0.09 |  |  | $ | (0.12 | )
Diluted income (loss) per share |  | $ | 0.08 |  |  | $ | (0.12 | )
Weighted average shares outstanding - basic |  |  | 32,689,028 |  |  |  | 32,492,645 |
Assumed exercise of dilutive options |  |  | 708,067 |  |  |  | - |
Weighted average shares outstanding - diluted |  |  | 33,397,095 |  |  |  | 32,492,645 |
Potentially diluted securities outstanding at period end excluded from diluted computation as the inclusion would have been antidilutive: |  |  |  |  |  |  |  |
Options |  |  | 573,750 |  |  |  | 3,394,858 |
RSU |  |  | - |  |  |  | 218,330 |
Total |  |  | 573,750 |  |  |  | 3,613,188 |

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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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