Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses and Other Long-Term Liabilities - Components of Accrued Expenses and Other Long-Term Liabilities (Detail)

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Accrued Expenses and Other Long-Term Liabilities - Components of Accrued Expenses and Other Long-Term Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Accrued expenses:    
Salaries, bonuses and related benefits $ 430 $ 450
Severance 543 1,502
Professional fees 306 351
Research and development expenses 976 1,245
State franchise taxes 0 190
Ovamed manufacturing rights - short-term component 500 500
Lease impairment 165 0
Other 161 192
Total accrued expenses 3,081 4,430
Other long-term liabilities:    
Hercules Note end of term charge 0 398
Ovamed manufacturing rights - long-term component 754 679
Long-term lease impairment charge 302 0
Total other long-term liabilities $ 1,056 $ 1,077