Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities and Other Long-Term Liabilities (Details)

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Accrued Liabilities and Other Long-Term Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Accrued expenses:    
Salaries, bonuses and related benefits $ 575 $ 1,064
Severance 262 354
Professional fees 298 320
Research and development expenses 939 403
Other 109 44
Total accrued expenses 2,183 2,185
Other long-term liabilities:    
Hercules Note end of term 398 398
Ovamed manufacturing rights 1,076 1,043
Total other long-term liabilities $ 1,474 $ 1,441