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
Jun. 30, 2015
Dec. 31, 2014
Accrued expenses:    
Professional fees $ 359 $ 837
Salaries, bonuses and related benefits 640 598
Accrued milestone, CNDO SO 500 0
Accrued severance 6 38
Ovamed manufacturing rights - short term component 1,500 1,000
Research and development 623 832
Lease impairment 165 165
Other 593 213
Total accrued expenses 4,386 3,683
Other long-term liabilities:    
Ovamed manufacturing rights - long-term component 0 334
Long-term lease abandonment charge 144 268
Deferred rent 120 120
Total other long-term liabilities $ 264 $ 722