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LOSS PER COMMON SHARE | 6 Months Ended
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Jun. 30, 2019
LOSS PER COMMON SHARE | NOTE J —LOSS PER COMMON SHARE Basic loss per common share has been computed by dividing net loss by the weighted-average number of shares of the Company’s common stock outstanding during the relevant period. Diluted loss per common share adjusts net loss and basic loss per common share for the effect of all potentially dilutive shares of the Company’s common stock. The calculations of basic and diluted loss per common share for the three and six months ended June 30, 2019 and 2018 are as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
|  | (in thousands, except per share amounts) |
Net loss– basic and diluted |  | $ | (11,513 | ) |  | $ | (6,057 | ) |  | $ | (16,380 | ) |  | $ | (17,655 | )
Weighted-average shares outstanding – basic and diluted |  |  | 20,545 |  |  |  | 20,327 |  |  |  | 20,527 |  |  |  | 18,474 |
Basic and diluted loss per common share |  | $ | (0.56 | ) |  | $ | (0.30 | ) |  | $ | (0.80 | ) |  | $ | (0.96 | )
The computation of diluted loss per common share for the three and six months ended June 30, 2019 excludes 2,147,690 shares and 1,882,113 shares, respectively, related to options to purchase shares and other stock awards. The computation of diluted loss per common share for the three and six months ended June 30, 2018 excludes 1,990,536 shares and 1,938,124 shares, respectively, related to options to purchase shares and other stock awards. These shares were excluded due to their antidilutive effects.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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