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Basic and Diluted Net Income per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Basic and Diluted Net Income per Share |
Schedule of computation of basic and diluted net income per share |
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
|  | (unaudited) |  | (unaudited)
Net income |  | $ | 2,088,841 |  | $ | 1,354,968 |  | $ | 3,934,406 |  | $ | 2,196,164
Weighted-average shares outstanding — Basic |  |  | 11,163,506 |  |  | 10,651,619 |  |  | 11,096,942 |  |  | 10,630,123
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Underwriters' warrants |  |  | 92,898 |  |  | 78,351 |  |  | 96,482 |  |  | 67,533
Stock Options |  |  | 880,908 |  |  | 1,186,412 |  |  | 938,135 |  |  | 1,174,362
Restricted Stock Units |  |  | 89,348 |  |  | 95,093 |  |  | 96,390 |  |  | 81,468
Weighted-average shares outstanding — Diluted |  |  | 12,226,660 |  |  | 12,011,475 |  |  | 12,227,949 |  |  | 11,953,486
Basic net income per share |  | $ | 0.19 |  | $ | 0.13 |  | $ | 0.35 |  | $ | 0.21
Diluted net income per share |  | $ | 0.17 |  | $ | 0.11 |  | $ | 0.32 |  | $ | 0.18
Schedule of stock options and warrants to purchase shares of our commons stock and restricted stock units excluded from the calculation of diluted net income per share |
|  | Three Months Ended |  | Six Months Ended
|  | June 30, |  | June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
|  | (unaudited) |  | (unaudited)
Anti-dilutive stock options and restricted stock units |  | 6,639 |  | 44,123 |  | 6,895 |  | 46,039

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + 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 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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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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