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Summary of Operations and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Receivables | The following tables show the receivables balances:
|  | As of December 31,
(in thousands) |  | 2016 |  | 2015
Receivables |  | $ | 4,289 |  |  | $ | 8,518 |
Other Receivables |  | 4,559 |  |  | — |
Less: Allowance for doubtful accounts |  | (200 | ) |  | (157 | )
Total |  | $ | 8,648 |  |  | $ | 8,361 |
|  | As of December 31,
(in thousands) |  | 2016 |  | 2015
Receivables, related parties |  | $ | 1,934 |  |  | $ | 1,918 |
Total |  | $ | 1,934 |  |  | $ | 1,918 |
Schedule of Intangible Assets |
|  | Years Ended December 31,
|  | 2016 |  | 2015
(in thousands, except years) |  | Weighted-Average Amortization Period (in years) |  | Initial Cost |  | Net of Accumulated Amortization |  | Initial Cost |  | Net of Accumulated Amortization
Patents |  | 16 |  | $ | 913 |  |  | $ | 696 |  |  | $ | 742 |  |  | $ | 581 |
Licensed technology |  | 0 |  | 1,525 |  |  | — |  |  | 1,525 |  |  | 1,360 |
Total |  | 16 |  | $ | 2,438 |  |  | $ | 696 |  |  | $ | 2,267 |  |  | $ | 1,941 |
Calculations of Basic and Diluted Earnings Per Share | The following table sets forth the calculations of basic and diluted earnings (loss) per common share:
|  | Years Ended December 31,
(in thousands, except per share amounts) |  | 2016 |  | 2015 |  | 2014
Net income (loss) |  | $ | 97,678 |  |  | $ | (30,141 | ) |  | $ | 1,387 |
Less: Undistributed income (loss) allocated to participating securities |  | 1,105 |  |  | (275 | ) |  | 18 |
Income (loss) attributable to common stockholders |  | $ | 96,573 |  |  | $ | (29,866 | ) |  | $ | 1,369 |
Basic weighted-average number of common shares outstanding |  | 21,931 |  |  | 21,773 |  |  | 21,554 |
Add: dilutive effect of equity instruments |  | 303 |  |  | — |  |  | 525 |
Diluted weighted-average number of common shares outstanding |  | 22,234 |  |  | 21,773 |  |  | 22,079 |
Earnings (loss) per share - basic |  | $ | 4.40 |  |  | $ | (1.37 | ) |  | $ | 0.06 |
Earnings (loss) per share - diluted |  | $ | 4.34 |  |  | $ | (1.37 | ) |  | $ | 0.06 |
Schedule of Anti-dilutive Equity Instruments | The table below presents the number of Potential dilutive shares that were excluded from the calculation of diluted loss per share because their inclusion would have been anti-dilutive:
|  | Years Ended December 31,
(share data in thousands) |  | 2016 |  | 2015 |  | 2014
Stock options |  | — |  |  | 10 |  |  | — |
Restricted stock awards |  | — |  |  | 163 |  |  | — |
Performance share units |  | — |  |  | 182 |  |  | — |
Total shares excluded from diluted shares outstanding |  | — |  |  | 355 |  |  | — |

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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://www.xbrl.org/2003/role/presentationRef -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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