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Equity Incentive Plans (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity Incentive Plans [Abstract] |
Schedule of Share-based Compensation, Restricted Shares, Activity |
|  | Number of shares |  |  | Weighted Average Grant Date Fair Value
Unvested as at January 1, 2015 |  | 78,833 |  | $ | 54.30
Granted |  | 135,230 |  |  | 17.75
Vested |  | (78,833 | ) |  | 54.30
Unvested as at December 31, 2015 |  | 135,230 |  | $ | 17.75
Unvested as at January 1, 2016 |  | 135,230 |  | $ | 17.75
Granted |  | 1,035,000 |  |  | 4.15
Cancelled |  | (1,685 | ) |  | 17.75
Vested |  | (783,545 | ) |  | 6.14
Unvested as at December 31, 2016 |  | 385,000 |  | $ | 4.82
Unvested as at January 1, 2017 |  | 385,000 |  | $ | 4.82
Granted |  | 944,000 |  |  | 9.59
Vested |  | (1,049,000 | ) |  | 8.24
Unvested as at December 31, 2017 |  | 280,000 |  | $ | 8.09
Schedule of Share-based Compensation, Stock Options, Activity |
Options | Number of options |  |  | Weighted average exercise price |  |  | Weighted Average Grant Date Fair Value
Outstanding at January 1, 2015 | - |  | $ | - |  | $ | -
Granted | 104,250 |  |  | 27.5 |  |  | 7.0605
Vested | - |  |  | - |  |  | -
Outstanding as of December 31, 2015 | 104,250 |  | $ | 27.5 |  |  | 7.0605
Options | Number of options |  |  | Weighted average exercise price |  |  | Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016 | 104,250 |  | $ | 27.5 |  | $ | 7.0605
Granted | - |  |  | - |  |  | -
Vested | - |  |  | - |  |  | -
Outstanding as of December 31, 2016 | 104,250 |  | $ | 27.5 |  | $ | 7.0605
Options | Number of options |  |  | Weighted average exercise price |  |  | Weighted Average Grant Date Fair Value
Outstanding at January 1, 2017 | 104,250 |  | $ | 27.5 |  | $ | 7.0605
Granted | - |  |  | - |  |  | -
Vested | - |  |  | - |  |  | -
Outstanding as of December 31, 2017 | 104,250 |  | $ | 27.5 |  | $ | 7.0605

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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