Balance Sheet Details (Tables)

12 Months Ended

Dec. 31, 2019

Balance Sheet Details [Abstract]

Property and Equipment

Property and equipment consisted of the following:

	December 31, 2019		December 31, 2018
Laboratory equipment	$	6,047,000	$	6,990,000
Furniture and fixtures		646,000		627,000
Office and computer equipment		323,000		260,000
Leasehold improvements		3,329,000		3,266,000
Total		10,345,000		11,143,000
Less: accumulated depreciation		(8,158,000)		(7,894,000)
Property and equipment, net	$	2,187,000	$	3,249,000

Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities consisted of the following:

	December 31,
	2019		2018
Accounts payable	$	547,000	$	415,000
Other accrued expenses		731,000		121,000
	$	1,278,000	$	536,000