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Nature of Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash Reported within Consolidated Statements of Cash Flows | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Statements of Cash Flows.
|  | December 31, |
|  | 2018 |  |  | 2017 |
Cash and cash equivalents |  | $ | 43,676 |  |  | $ | 29,902 |
Restricted cash |  |  | 762 |  |  |  | 591 |
Restricted cash included within deferred charges and other assets |  |  | — |  |  |  | 166 |
Total cash, cash equivalents and restricted cash |  | $ | 44,438 |  |  | $ | 30,659 |
Schedule of Numerators and Denominators Used to Calculate Basic and Diluted Earnings Per Share | Earnings per share—The following table reconciles the numerators and denominators used to calculate basic and diluted earnings per share for 2018, 2017 and 2016.
|  | For the Year Ended December 31 |
|  | 2018 |  |  | 2017 |  |  | 2016 |
(Table only in thousands) |  |  |  |  |  |  |  |  |  |  |  |
Numerator (for basic and diluted earnings per share) |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (7,121 | ) |  | $ | (3,029 | ) |  | $ | (38,218 | )
Denominator |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted-average shares outstanding |  |  | 34,714 |  |  |  | 34,445 |  |  |  | 33,980 |
Common stock equivalents arising from stock options and restricted stock awards |  |  | — |  |  |  | — |  |  |  | — |
Diluted weighted-average shares outstanding |  |  | 34,714 |  |  |  | 34,445 |  |  |  | 33,980 |

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