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Net Loss per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Net Loss per Share |
Schedule of computation of basic and diluted loss per share |
|  | Year Ended December 31, |
|  | 2018 |  | 2017 |  | 2016 |
|  |  |  |  | (as adjusted) |  | (as adjusted) |
Net loss |  | $ | (24,407) |  | $ | (31,790) |  | $ | (38,333) |
Weighted average common shares outstanding: |  |  |  |  |  |  |  |  |  |
Basic |  |  | 22,912,217 |  |  | 22,779,377 |  |  | 22,692,139 |
Dilutive common stock options, restricted stock unit awards and restricted stock awards |  |  | — |  |  | — |  |  | — |
Diluted |  |  | 22,912,217 |  |  | 22,779,377 |  |  | 22,692,139 |
Basic loss per share of common stock |  | $ | (1.07) |  | $ | (1.40) |  | $ | (1.69) |
Diluted loss per share of common stock |  | $ | (1.07) |  | $ | (1.40) |  | $ | (1.69) |
Schedule of weighted average numbers of stock options, restricted stock unit awards, and restricted stock awards that have been excluded from the calculation of diluted loss per share of common stock |
|  | Year Ended December 31, |
|  | 2018 |  | 2017 |  | 2016 |
|  |  |  |  | (as adjusted) |  | (as adjusted) |
Stock options |  |  | 240,700 |  |  | 355,264 |  |  | 432,337 |
Restricted stock units |  |  | 552,458 |  |  | 348,826 |  |  | 281,875 |
Restricted stock awards |  |  | 67,052 |  |  | 76,960 |  |  | 80,116 |
Total |  |  | 860,210 |  |  | 781,050 |  |  | 794,328 |

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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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