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Loss Per Common Share | 6 Months Ended
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Jun. 30, 2021
Loss Per Common Share [Abstract] |
Loss Per Common Share | 14. Loss per Common Share The following table sets forth the computation of basic and diluted loss per common share (in thousands, except per share data):
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
Basic loss per common share | 2021 |  | 2020 |  | 2021 |  | 2020
Net loss | $ | (2,178) |  | $ | (3,689) |  | $ | (5,316) |  | $ | (10,354)
Net loss allocated to participating securities |  | 14 |  |  | 24 |  |  | 36 |  |  | 73
Net loss allocated to common shareholders | $ | (2,164) |  | $ | (3,665) |  | $ | (5,280) |  | $ | (10,281)
Basic weighted-average common shares outstanding |  | 38,943 |  |  | 37,520 |  |  | 38,841 |  |  | 37,455
Basic loss per common share | $ | (0.06) |  | $ | (0.10) |  | $ | (0.14) |  | $ | (0.27)
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
Diluted loss per common share | 2021 |  | 2020 |  | 2021 |  | 2020
Net loss | $ | (2,178) |  | $ | (3,689) |  | $ | (5,316) |  | $ | (10,354)
Net loss allocated to participating securities |  | 14 |  |  | 24 |  |  | 36 |  |  | 73
Net loss allocated to common shareholders | $ | (2,164) |  | $ | (3,665) |  | $ | (5,280) |  | $ | (10,281)
Diluted weighted-average common shares outstanding |  | 38,943 |  |  | 37,520 |  |  | 38,841 |  |  | 37,455
Diluted loss per common share | $ | (0.06) |  | $ | (0.10) |  | $ | (0.14) |  | $ | (0.27)
We excluded stock options from the calculation of diluted weighted-average common shares outstanding if the per share value, including the sum of (i) the exercise price of the options and (ii) the amount of the compensation cost attributed to future services and not yet recognized, was greater than the average market price of the shares because the inclusion of these stock options would be antidilutive to loss per common share. Accordingly, for the three and six months ended June 30, 2021 and 2020 all stock options and awards were excluded from the calculation of diluted weighted-average common shares outstanding as these would be antidilutive due to the net loss.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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