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Share-Based Compensation (Notes) | 6 Months Ended
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Jun. 30, 2014
Share-based Compensation [Abstract] |
Disclosure of Compensation Related Costs, Share-based Payments [Text Block] | Share-Based Compensation Share-based Compensation We utilize share-based compensation in the form of stock options, warrants and restricted stock. The following table summarizes the components of share-based compensation expense for the three and six months ended June 30, 2014 and 2013 (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
Cost of goods sold | $ | 98.5 |  |  | $ | 58.5 |  |  | $ | 236.6 |  |  | $ | 145.0 |
Research and development | 371.6 |  |  | 129.8 |  |  | 848.4 |  |  | 347.1 |
Selling, general and administrative | 1,289.6 |  |  | 907.4 |  |  | 4,568.5 |  |  | 2,822.1 |
Total share-based compensation expense | $ | 1,759.7 |  |  | $ | 1,095.7 |  |  | $ | 5,653.5 |  |  | $ | 3,314.2 |
Total compensation cost related to nonvested awards not yet recognized and the weighted-average periods over which the awards are expected to be recognized at June 30, 2014 were as follows (dollars in thousands):
| Stock Options |  | Warrants |  | Restricted Stock
Unrecognized compensation cost | $ | 6,814.9 |  |  | $ | 33.4 |  |  | $ | 262.9 |
Expected weighted-average period in years of compensation cost to be recognized | 5.02 |  |  | 1.05 |  |  | 0.19 |
Total fair value of shares vested and the weighted average estimated fair values of shares granted for the six months ended June 30, 2014 and 2013 were as follows (dollars in thousands):
| Stock Options |  | Warrants
| Six Months Ended June 30, |  | Six Months Ended June 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
Total fair value of shares vested | $ | 2,552.2 |  |  | $ | 1,646.3 |  |  | $ | 15.0 |  |  | $ | 80.9 |
Weighted average estimated fair value of shares granted | $ | 4.92 |  |  | $ | 4.58 |  |  | $ | — |  |  | $ | 3.51 |

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