Balance Sheet Components

9 Months Ended

Sep. 30, 2015

4. Balance Sheet Components

Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	September 30,			December 31,
	2015			2014
Lab equipment	$	2,400		$	1,165
Computer and office equipment		755			520
Furniture and fixtures		170			87
Leasehold improvements		533			304
Total property and equipment		3,858			2,076
Less: accumulated depreciation and amortization		(1,404	)		(1,023	)
Property and equipment, net	$	2,454		$	1,053

Depreciation and amortization expense was $162,000 and $67,000 for the three months ended September 30, 2015 and 2014, respectively and was $381,000 and $162,000, for the nine months ended September 30, 2015 and 2014, respectively.

Accrued Expenses and Other Liabilities

Accrued expenses and other liabilities consisted of the following (in thousands):

	September 30,		December 31,
	2015		2014
Compensation and related benefits	$	2,158	$	1,276
Professional and consulting services		1,747		961
Other		164		171
Total accrued expenses and other liabilities	$	4,069	$	2,408