| In millions, except per share items | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 | Dec-31-07 | Dec-31-06 | Dec-31-05 |
| | 10-K | 10-K | 10-K | 10-K/A | 10-K | 10-K | 10-K | 10-K |
| Revenue: | | | | | | | | |
| Product Sales | 4.4 | 3.8 | 5.2 | 5.9 | | | | |
| Royalties | 0.7 | 1.6 | 3.0 | 5.0 | | | | |
| Licensing Revenue | 1.1 | 10.3 | 1.3 | 1.3 | | | | |
| Development Fees and Other | 2.1 | 3.5 | 0.8 | 0.5 | | | | |
| Tarsa Revenue | 1.2 | 1.3 | 1.0 | | | | | |
| Total Revenue | 9.4 | 20.5 | 11.3 | 12.7 | 19.2 | 20.4 | 6.1 | 14.3 |
| Total Revenue growth | -54.0% | 80.8% | -10.9% | -33.8% | -5.8% | 237.1% | -57.6% | 69.9% |
| Operating Expenses: | | | | | | | | |
| Research and Development | 5.3 | 9.0 | 6.4 | 12.4 | | | | |
| Cost of Goods Sold | 1.6 | 1.6 | 2.6 | 2.2 | 5.6 | 7.2 | 1.8 | 1.4 |
| General and Administrative | 8.5 | 8.9 | 7.7 | 8.9 | | | | |
| Unallocated Facility Expenses | 3.1 | 3.3 | 3.1 | | | | | |
| Asset Impairment Charges | 0.1 | | 0.2 | | | | | |
| Total Operating Expenses | 18.8 | 24.0 | 21.7 | 25.2 | | | | |
| Operating Loss | -9.4 | -3.5 | -10.3 | -12.4 | | | | |
| Operating margin | -99.3% | -16.9% | -91.0% | -97.2% | | | | |
| |
| Other Income (Expense): | | | | | | | | |
| Interest and Other Income | 0.1 | 0.1 | 0.1 | 0.1 | | | | |
| Interest Expense | -13.9 | -10.5 | -8.0 | -4.9 | | | | |
| Loss on Investment in Tarsa | -0.7 | -2.8 | | | | | | |
| Income (Loss) Before Income Taxes | -35.5 | -7.7 | -33.2 | -13.4 | | | | |
| Income Tax Benefit | -1.3 | -0.6 | -0.7 | -0.1 | | | | |
| Net Income (Loss) | -34.3 | -7.1 | -32.5 | | | | | |
| |
| Net Income (Loss) Per Share: | | | | | | | | |
| Basic (in Dollars per share) | ($0.36) | ($0.08) | ($0.35) | | | | | |
| Diluted (in Dollars per share) | ($0.36) | ($0.08) | ($0.35) | ($0.15) | | | | |
| |
| Weighted Average Number of Shares Outstanding: | | | | | | | | |
| Basic (in Shares) | 95.5 | 93.2 | 92.0 | 90.7 | | | | |
| Diluted (in Shares) | 95.5 | 93.2 | 92.0 | 90.7 | | | | |