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Net Income Per Share (Tables) | 6 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Schedule of Net Income Per Share |
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
| (millions)
Numerators: |  |  |  |  |  |  |
Net (loss) from continuing operations | $ | (40.9 | ) |  | $ | (92.1 | ) |  | $ | (64.6 | ) |  | $ | (121.4 | )
Net income from discontinued operations | — |  |  | 0.1 |  |  | 21.7 |  |  | 0.6 |
Net (loss) | $ | (40.9 | ) |  | $ | (92.0 | ) |  | $ | (42.9 | ) |  | $ | (120.8 | )
Numerators for diluted calculations (a): |  |  |  |  |  |  |  |  |
Net (loss) from continuing operations | $ | (40.9 | ) |  | $ | (92.1 | ) |  | $ | (64.6 | ) |  | $ | (121.4 | )
Net income from discontinued operations | — |  |  | 0.1 |  |  | 21.7 |  |  | 0.6 |
Net (loss) | $ | (40.9 | ) |  | $ | (92.0 | ) |  | $ | (42.9 | ) |  | $ | (120.8 | )
Denominator: |  |  |  |  |  |  |  |  |
Weighted average common shares | 5.0 |  |  | 5.0 |  |  | 5.0 |  |  | 5.0 |
Less: Weighted average unvested restricted stock | 0.1 |  |  | 0.1 |  |  | 0.1 |  |  | 0.1 |
Denominator for basic calculation | 4.9 |  |  | 4.9 |  |  | 4.9 |  |  | 4.9 |
Weighted average effect of dilutive securities: |  |  |  |  |  |  |  |  |
Convertible notes | 1.8 |  |  | 1.8 |  |  | 1.8 |  |  | 1.8 |
Convertible preferred stock: |  |  |  |  |  |  |  |  |
Equivalent common shares (b) | 10.0 |  |  | 3.1 |  |  | 8.9 |  |  | 3.0 |
Less: share issuance limitation (c) | 9.1 |  |  | 2.2 |  |  | 8.0 |  |  | 2.1 |
Net allowable common shares | 0.9 |  |  | 0.9 |  |  | 0.9 |  |  | 0.9 |
Subtotal | 2.7 |  |  | 2.7 |  |  | 2.7 |  |  | 2.7 |
Less: shares excluded in a period of a net loss or antidilution | 2.7 |  |  | 2.7 |  |  | 2.7 |  |  | 2.7 |
Weighted average effect of dilutive securities | — |  |  | — |  |  | — |  |  | — |
Denominator for diluted calculation | 4.9 |  |  | 4.9 |  |  | 4.9 |  |  | 4.9 |
Net (loss) per share from continuing operations – basic and diluted | $ | (8.35 | ) |  | $ | (18.80 | ) |  | $ | (13.18 | ) |  | $ | (24.78 | )
Net income per share from discontinued operations – basic and diluted | $ | — |  |  | $ | 0.02 |  |  | $ | 4.43 |  |  | $ | 0.12 |
Net (loss) per share – basic and diluted | $ | (8.35 | ) |  | $ | (18.78 | ) |  | $ | (8.76 | ) |  | $ | (24.65 | )
Schedule of Securities Excluded from Net Income Per Share | Options and warrants to purchase shares of common stock having an exercise price greater than the average share market price are excluded from the calculation of diluted net income per share:
| Three Months Ended June 30, |  |  | Six Months Ended June 30, |
| 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Options excluded from diluted net income per share | 2,000 |  |  |  | 116,000 |  |  |  | 2,000 |  |  |  | 116,000 |  |
Warrants excluded from diluted net income per share | 250,000 |  |  |  | 250,000 |  |  |  | 250,000 |  |  |  | 250,000 |  |
Exercise price of excluded options | $ | 177.50 |  | to |  | $ | 93.00 |  | to |  | $ | 177.50 |  | to |  | $ | 93.00 |  | to
| $ | 357.00 |  |  |  | $ | 357.00 |  |  |  | $ | 357.00 |  |  |  | $ | 357.00 |  |
Exercise price of excluded warrants | $ | 187.50 |  |  |  | $ | 187.50 |  |  |  | $ | 187.50 |  |  |  | $ | 187.50 |  |

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