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Net Income (Loss) per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Schedule of reconciliation of basic and diluted weighted average common shares outstanding | A reconciliation of the basic and diluted weighted average common shares outstanding is as follows:
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Weighted average common shares outstanding—basic | 18,341 |  |  | 17,723 |  |  | 18,152 |  |  | 17,634 |
Dilutive common shares issuable in connection with stock plans | 225 |  |  | — |  |  | — |  |  | — |
Weighted average common shares outstanding—diluted | 18,566 |  |  | 17,723 |  |  | 18,152 |  |  | 17,634 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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=124432515&loc=d3e3550-109257 + Details
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