Accrued Expense

12 Months Ended

Dec. 31, 2016

Accrued Liabilities [Abstract]

Accrued Expense

6. Accrued Expense

As of December 31, 2016, Current Liabilities included accrued expense of $1.0 million, comprised primarily of accrued employee vacation and bonus expenses of $0.4 million, laboratory expense of $0.2 million, clinical and preclinical expenses of $0.2 million, an annual license maintenance fee of $0.1 million and other accrued expenses of $0.1 million. As of December 31, 2015, Current Liabilities included accrued expense of $0.9 million, comprised primarily of accrued employee vacation and bonus expenses of $0.4 million, clinical and preclinical expenses of $0.3 million, an annual license maintenance fee of $0.1 million and other accrued expenses of $0.1 million.