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Shareholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2017
Shareholders’ Equity [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | The following table summarizes the activity for stock options and warrants for the three months ended March 31, 2017, as adjusted for the Reverse Stock Split:
|  | Stock Options |  | Warrants
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (In Thousands) |  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (In Thousands)
Outstanding at December 31, 2016 |  | 952,790 |  |  | $ | 39.90 |  |  | 7.60 |  | $ | — |  |  | 388,062 |  |  | $ | 76.50 |  |  | 1.24 |  | $ | — |
Changes during the period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  | 209,418 |  |  | 3.60 |  |  |  |  |  |  | — |  |  | — |  |  |  |  |
Exercised |  | — |  |  | — |  |  |  |  |  |  | — |  |  | — |  |  |  |  |
Forfeited |  | (6,294 | ) |  | 8.40 |  |  |  |  |  |  | — |  |  | — |  |  |  |  |
Expired |  | (22,455 | ) |  | 43.20 |  |  |  |  |  |  | (52,000 | ) |  | 51.30 |  |  |  |  |
Outstanding at March 31, 2017 |  | 1,133,459 |  |  | $ | 33.30 |  |  | 7.80 |  | $ | 386.5 |  |  | 336,062 |  |  | $ | 80.40 |  |  | 1.15 |  | $ | — |
Vested at March 31, 2017 or expected to vest in the future |  | 1,103,988 |  |  | $ | 34.00 |  |  | 7.76 |  | $ | 357.7 |  |  | 336,062 |  |  | $ | 80.40 |  |  | 1.15 |  | $ | — |
Vested at March 31, 2017 |  | 821,156 |  |  | $ | 43.10 |  |  | 7.23 |  | $ | 133.6 |  |  | 336,062 |  |  | $ | 80.40 |  |  | 1.15 |  | $ | — |
Restricted Stock [Table Text Block] | During the three months ended March 31, 2017 and 2016, the Company issued restricted stock for services as follows (in thousands, except share data):
|  | Three Months Ended March 31,
|  | 2017 |  | 2016
Number of restricted stock issued |  | 132,726 |  |  | 98,383 |
Value of restricted stock issued |  | $ | 469.9 |  |  | $ | 562.8 |

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- Definition Shareholders’ Equity [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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