v2.4.0.6

Description of Operations and Summary of Significant Accounting Policies (Details) (USD $) | 12 Months Ended
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Dec. 31, 2011 M | Dec. 31, 2010 | Dec. 31, 2009
Cash, Cash Equivalents and Restricted Cash |  |  |
Maximum term of original maturity to classify instruments as cash equivalents (in months) | 3 |  |
Restricted cash | $ 893,000 | $ 893,000 |
Information related to collaboration arrangements |  |  |
Inventory sold at cost | 24,512,000 | 24,223,000 | 24,374,000
License, Development and Commercialization Agreement With Astellas | VIBATIV |  |  |
Information related to collaboration arrangements |  |  |
Inventory sold at cost | 1,171,000 | 2,058,000 |
Cost of unrealizable VIBATIV inventory | 537,000 | 821,000 | 1,175,000
Astellas | License, Development and Commercialization Agreement With Astellas | VIBATIV |  |  |
Information related to collaboration arrangements |  |  |
Inventory sold at cost | 1,171,000 | 2,058,000 |
Inventory of VIBATIV | $ 0 | $ 1,700,000 |

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