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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share |
Schedule of computation of basic and diluted earnings (loss) per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020
​ | ​ | (in thousands, except per share data)
Net income (loss) |  | $ | 63 |  | $ | 13 |  | $ | 20 |  | $ | (5)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average outstanding shares of common stock | ​ | ​ | 6,601 | ​ | ​ | 6,580 | ​ | ​ | 6,601 | ​ | ​ | 6,571
Dilutive potential common shares from stock options and restricted stock units | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Common stock and common stock equivalents | ​ | ​ | 6,601 | ​ | ​ | 6,580 | ​ | ​ | 6,601 | ​ | ​ | 6,571
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings (loss) per share, basic and diluted |  | $ | 0.01 |  | $ | 0.00 |  | $ | 0.00 |  | $ | (0.00)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Shares subject to anti-dilutive stock options and restricted stock-based awards excluded from calculation | ​ | ​ | — | ​ | ​ | 3 | ​ | ​ | — | ​ | ​ | 3

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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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