Accrued Expense	12 Months Ended
Dec. 31, 2020
Accrued Expense
Accrued Expense	7.Accrued Expense As of December 31, 2020, current liabilities included accrued expenses of $1.0 million, comprised primarily of expenses related to the Company’s clinical trial for prexigebersen in AML of $0.4 million, accrued employee vacation and bonus expenses of $0.4 million, manufacturing expenses of $0.1 million and other accrued expenses of $0.1 million. As of December 31, 2019, current liabilities included accrued expenses of $0.7 million, comprised primarily of accrued employee vacation and bonus expenses of $0.4 million, clinical and preclinical expenses of $0.2 million and other accrued expenses of $0.1 million.

Accrued Expense

12 Months Ended

Dec. 31, 2020

7.Accrued Expense

As of December 31, 2020, current liabilities included accrued expenses of $1.0 million, comprised primarily of expenses related to the Company’s clinical trial for prexigebersen in AML of $0.4 million, accrued employee vacation and bonus expenses of $0.4 million, manufacturing expenses of $0.1 million and other accrued expenses of $0.1 million. As of December 31, 2019, current liabilities included accrued expenses of $0.7 million, comprised primarily of accrued employee vacation and bonus expenses of $0.4 million, clinical and preclinical expenses of $0.2 million and other accrued expenses of $0.1 million.