Accounts Payable, Accrued Liabilities and Long-Term Liabilities

9 Months Ended

Sep. 30, 2020

Payables and Accruals [Abstract]

Accounts Payable, Accrued Liabilities and Long-Term Liabilities

Accounts Payable, Accrued Liabilities and Long-Term Liabilities

Accounts payable and accrued liabilities consisted of the following (in thousands):

	September 30,		December 31,
	2020		2019
Accounts payable	$	15,975	$	16,367
Accrued clinical expense	35,281		21,290
Accrued development and other expense	7,414		2,510
Accrued compensation and benefits	8,000		7,915
	$	66,670	$	48,082

The long-term liabilities balance of $1.5 million as of September 30, 2020, and $1.0 million as of December 31, 2019, consisted primarily of clinical trial-related liabilities.